Convert an array of objects to array of the objects' values
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I am trying to convert this array
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
to something like this
orders = [
['100', 'admin', 'March 6, 2019'],
['120', 'admin', 'March 6, 2019'],
['80', 'admin', 'March 7, 2019'],
['200', 'admin', 'March 7, 2019'],
];
and I have read that Objects.values()
returns the values in an array, so I tried to iterate through the order
array by using forEach()
and using the Object.values
on each item in the array.
let newOrders = orders.forEach(order =>
return Object.values(order);
);
I don't know if what I am doing is right and I am new to Javascript. Please help me.
javascript arrays object javascript-objects
add a comment |
I am trying to convert this array
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
to something like this
orders = [
['100', 'admin', 'March 6, 2019'],
['120', 'admin', 'March 6, 2019'],
['80', 'admin', 'March 7, 2019'],
['200', 'admin', 'March 7, 2019'],
];
and I have read that Objects.values()
returns the values in an array, so I tried to iterate through the order
array by using forEach()
and using the Object.values
on each item in the array.
let newOrders = orders.forEach(order =>
return Object.values(order);
);
I don't know if what I am doing is right and I am new to Javascript. Please help me.
javascript arrays object javascript-objects
2
AvoidforEach
!
– Bergi
Mar 7 at 14:21
5
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
3
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I likefor …of
much better and recommend it universally for beginners
– Bergi
Mar 7 at 18:54
add a comment |
I am trying to convert this array
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
to something like this
orders = [
['100', 'admin', 'March 6, 2019'],
['120', 'admin', 'March 6, 2019'],
['80', 'admin', 'March 7, 2019'],
['200', 'admin', 'March 7, 2019'],
];
and I have read that Objects.values()
returns the values in an array, so I tried to iterate through the order
array by using forEach()
and using the Object.values
on each item in the array.
let newOrders = orders.forEach(order =>
return Object.values(order);
);
I don't know if what I am doing is right and I am new to Javascript. Please help me.
javascript arrays object javascript-objects
I am trying to convert this array
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
to something like this
orders = [
['100', 'admin', 'March 6, 2019'],
['120', 'admin', 'March 6, 2019'],
['80', 'admin', 'March 7, 2019'],
['200', 'admin', 'March 7, 2019'],
];
and I have read that Objects.values()
returns the values in an array, so I tried to iterate through the order
array by using forEach()
and using the Object.values
on each item in the array.
let newOrders = orders.forEach(order =>
return Object.values(order);
);
I don't know if what I am doing is right and I am new to Javascript. Please help me.
javascript arrays object javascript-objects
javascript arrays object javascript-objects
edited Mar 7 at 12:50
Mohammad Usman
21.5k134859
21.5k134859
asked Mar 7 at 10:44
sunny_adriannsunny_adriann
17817
17817
2
AvoidforEach
!
– Bergi
Mar 7 at 14:21
5
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
3
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I likefor …of
much better and recommend it universally for beginners
– Bergi
Mar 7 at 18:54
add a comment |
2
AvoidforEach
!
– Bergi
Mar 7 at 14:21
5
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
3
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I likefor …of
much better and recommend it universally for beginners
– Bergi
Mar 7 at 18:54
2
2
Avoid
forEach
!– Bergi
Mar 7 at 14:21
Avoid
forEach
!– Bergi
Mar 7 at 14:21
5
5
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
3
3
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I like
for …of
much better and recommend it universally for beginners– Bergi
Mar 7 at 18:54
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I like
for …of
much better and recommend it universally for beginners– Bergi
Mar 7 at 18:54
add a comment |
8 Answers
8
active
oldest
votes
As order of values in array returned by Object.values()
isn't guaranteed, you should consider use of .map()
with some Object Destructuring. You can then extract object properties in separate variables and return them in desired order explicitly.
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
It doesn't seem to be mentioned in yourObject destructuring
link, but the order is preserved because variable names are relevant and should match the property names.const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.
– Eric Duminil
Mar 7 at 21:38
add a comment |
The order in which the object's properties are enumerated is not guaranteed (ref). The simplest solution is to explicitly specify the keys in the desired order:
let result = orders.map(order => [order.amount, order.user, order.date]);
add a comment |
Using destructuring
. Use this if property ordering (of the object) is required in the output
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
Use map
and Object.values
to get the values from the objects. This does not assure the order in the output will be the same as in the object Refer this
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
10
Even simplerorders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
It's relevant because it means your code could return['100', 'admin', 'March 6, 2019']
for an order and['admin', 80', 'March 7, 2019']
for another.
– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
|
show 2 more comments
Simply use orders.map(Object.values)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
you can try this:
orders.map((order) => Object.values(order));
map
will return you a new array, while forEach
just do callback on each element of array
add a comment |
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
A more robust solution, useful if you have many instances where you have these struct
-like objects with different orders/keys. A functional approach, propsToArray
takes a series of keys as individual parameters and returns a function which performs the desired transformation on the objects.
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
add a comment |
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
add a comment |
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8 Answers
8
active
oldest
votes
8 Answers
8
active
oldest
votes
active
oldest
votes
active
oldest
votes
As order of values in array returned by Object.values()
isn't guaranteed, you should consider use of .map()
with some Object Destructuring. You can then extract object properties in separate variables and return them in desired order explicitly.
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
It doesn't seem to be mentioned in yourObject destructuring
link, but the order is preserved because variable names are relevant and should match the property names.const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.
– Eric Duminil
Mar 7 at 21:38
add a comment |
As order of values in array returned by Object.values()
isn't guaranteed, you should consider use of .map()
with some Object Destructuring. You can then extract object properties in separate variables and return them in desired order explicitly.
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
It doesn't seem to be mentioned in yourObject destructuring
link, but the order is preserved because variable names are relevant and should match the property names.const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.
– Eric Duminil
Mar 7 at 21:38
add a comment |
As order of values in array returned by Object.values()
isn't guaranteed, you should consider use of .map()
with some Object Destructuring. You can then extract object properties in separate variables and return them in desired order explicitly.
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
As order of values in array returned by Object.values()
isn't guaranteed, you should consider use of .map()
with some Object Destructuring. You can then extract object properties in separate variables and return them in desired order explicitly.
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
const data = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019'
];
const result = data.map(( amount, user, date ) => [amount, user, date]);
console.log(result);
.as-console-wrapper max-height: 100% !important; top: 0;
edited Mar 8 at 5:55
answered Mar 7 at 10:47
Mohammad UsmanMohammad Usman
21.5k134859
21.5k134859
It doesn't seem to be mentioned in yourObject destructuring
link, but the order is preserved because variable names are relevant and should match the property names.const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.
– Eric Duminil
Mar 7 at 21:38
add a comment |
It doesn't seem to be mentioned in yourObject destructuring
link, but the order is preserved because variable names are relevant and should match the property names.const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.
– Eric Duminil
Mar 7 at 21:38
It doesn't seem to be mentioned in your
Object destructuring
link, but the order is preserved because variable names are relevant and should match the property names. const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.– Eric Duminil
Mar 7 at 21:38
It doesn't seem to be mentioned in your
Object destructuring
link, but the order is preserved because variable names are relevant and should match the property names. const result = data.map(( date, amount, user ) => [amount, user, date]);
works just as well even though the variable definitions has been modified. This link helped me understand.– Eric Duminil
Mar 7 at 21:38
add a comment |
The order in which the object's properties are enumerated is not guaranteed (ref). The simplest solution is to explicitly specify the keys in the desired order:
let result = orders.map(order => [order.amount, order.user, order.date]);
add a comment |
The order in which the object's properties are enumerated is not guaranteed (ref). The simplest solution is to explicitly specify the keys in the desired order:
let result = orders.map(order => [order.amount, order.user, order.date]);
add a comment |
The order in which the object's properties are enumerated is not guaranteed (ref). The simplest solution is to explicitly specify the keys in the desired order:
let result = orders.map(order => [order.amount, order.user, order.date]);
The order in which the object's properties are enumerated is not guaranteed (ref). The simplest solution is to explicitly specify the keys in the desired order:
let result = orders.map(order => [order.amount, order.user, order.date]);
edited Mar 7 at 13:16
answered Mar 7 at 12:36
Salman ASalman A
185k67346441
185k67346441
add a comment |
add a comment |
Using destructuring
. Use this if property ordering (of the object) is required in the output
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
Use map
and Object.values
to get the values from the objects. This does not assure the order in the output will be the same as in the object Refer this
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
10
Even simplerorders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
It's relevant because it means your code could return['100', 'admin', 'March 6, 2019']
for an order and['admin', 80', 'March 7, 2019']
for another.
– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
|
show 2 more comments
Using destructuring
. Use this if property ordering (of the object) is required in the output
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
Use map
and Object.values
to get the values from the objects. This does not assure the order in the output will be the same as in the object Refer this
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
10
Even simplerorders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
It's relevant because it means your code could return['100', 'admin', 'March 6, 2019']
for an order and['admin', 80', 'March 7, 2019']
for another.
– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
|
show 2 more comments
Using destructuring
. Use this if property ordering (of the object) is required in the output
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
Use map
and Object.values
to get the values from the objects. This does not assure the order in the output will be the same as in the object Refer this
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
Using destructuring
. Use this if property ordering (of the object) is required in the output
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
Use map
and Object.values
to get the values from the objects. This does not assure the order in the output will be the same as in the object Refer this
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map((amount,user,date)=>[amount,user,date]))
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
console.log(orders.map(e=>Object.values(e)))
edited Mar 8 at 9:54
answered Mar 7 at 10:45
ellipsisellipsis
8,3082929
8,3082929
10
Even simplerorders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
It's relevant because it means your code could return['100', 'admin', 'March 6, 2019']
for an order and['admin', 80', 'March 7, 2019']
for another.
– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
|
show 2 more comments
10
Even simplerorders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
It's relevant because it means your code could return['100', 'admin', 'March 6, 2019']
for an order and['admin', 80', 'March 7, 2019']
for another.
– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
10
10
Even simpler
orders.map(Object.values)
– kemicofa
Mar 7 at 10:47
Even simpler
orders.map(Object.values)
– kemicofa
Mar 7 at 10:47
13
13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
JS objects don't guarantee order
– gronostaj
Mar 7 at 12:13
15
15
It's relevant because it means your code could return
['100', 'admin', 'March 6, 2019']
for an order and ['admin', 80', 'March 7, 2019']
for another.– Eric Duminil
Mar 7 at 14:09
It's relevant because it means your code could return
['100', 'admin', 'March 6, 2019']
for an order and ['admin', 80', 'March 7, 2019']
for another.– Eric Duminil
Mar 7 at 14:09
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
The spec does not require the order, but apparently all major browsers follow the order anyway.
– JollyJoker
Mar 8 at 8:01
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
@JollyJoker False. I seem to remember that chrome has certain problems, especially when it comes to objects the have numerical keys. It orders it as 1, 111, 1245, 13 instead of 1, 13, 111, 1245.
– I.Am.A.Guy
Mar 8 at 8:23
|
show 2 more comments
Simply use orders.map(Object.values)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
Simply use orders.map(Object.values)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
Simply use orders.map(Object.values)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
Simply use orders.map(Object.values)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
answered Mar 7 at 11:11
Khyati SharmaKhyati Sharma
837
837
add a comment |
add a comment |
you can try this:
orders.map((order) => Object.values(order));
map
will return you a new array, while forEach
just do callback on each element of array
add a comment |
you can try this:
orders.map((order) => Object.values(order));
map
will return you a new array, while forEach
just do callback on each element of array
add a comment |
you can try this:
orders.map((order) => Object.values(order));
map
will return you a new array, while forEach
just do callback on each element of array
you can try this:
orders.map((order) => Object.values(order));
map
will return you a new array, while forEach
just do callback on each element of array
edited Mar 8 at 10:11
answered Mar 7 at 10:52
Mateusz JabłońskiMateusz Jabłoński
212
212
add a comment |
add a comment |
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
add a comment |
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
const result = orders.map(Object.values);
console.log(result)
answered Mar 13 at 11:58
VipulVipul
111
111
add a comment |
add a comment |
A more robust solution, useful if you have many instances where you have these struct
-like objects with different orders/keys. A functional approach, propsToArray
takes a series of keys as individual parameters and returns a function which performs the desired transformation on the objects.
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
add a comment |
A more robust solution, useful if you have many instances where you have these struct
-like objects with different orders/keys. A functional approach, propsToArray
takes a series of keys as individual parameters and returns a function which performs the desired transformation on the objects.
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
add a comment |
A more robust solution, useful if you have many instances where you have these struct
-like objects with different orders/keys. A functional approach, propsToArray
takes a series of keys as individual parameters and returns a function which performs the desired transformation on the objects.
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
A more robust solution, useful if you have many instances where you have these struct
-like objects with different orders/keys. A functional approach, propsToArray
takes a series of keys as individual parameters and returns a function which performs the desired transformation on the objects.
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
let orders = [
amount: '100', user: 'admin', date: 'March 6, 2019' ,
amount: '120', user: 'admin', date: 'March 6, 2019' ,
amount: '80', user: 'admin', date: 'March 7, 2019' ,
amount: '200', user: 'admin', date: 'March 7, 2019' ,
];
// option 1
let propsToArray = function(...keys)
return function(obj)
return keys.map(key => obj[key]);
;
// option 2
// propsToArray = (...keys) => (obj) => keys.map(key => obj[key]);
// resulting function
let orderToArray = propsToArray("amount", "user", "date");
console.log(orders.map(orderToArray));
answered Mar 7 at 18:47
Conor O'BrienConor O'Brien
51811329
51811329
add a comment |
add a comment |
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
add a comment |
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
add a comment |
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
let orders = [
amount: '100',
user: 'admin',
date: 'March 6, 2019'
,
amount: '120',
user: 'admin',
date: 'March 6, 2019'
,
amount: '80',
user: 'admin',
date: 'March 7, 2019'
,
amount: '200',
user: 'admin',
date: 'March 7, 2019'
,
];
let array = ; //initializing array
orders.forEach((element) => //using array function for call back
for (var j in element) //looping through each element of array
array.push(element[j]); //pushing each value of object present inside the orders
);
console.log(array); //array is ready
edited Mar 22 at 15:57
demo
2,41444084
2,41444084
answered Mar 13 at 12:06
VipulVipul
111
111
add a comment |
add a comment |
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2
Avoid
forEach
!– Bergi
Mar 7 at 14:21
5
@Bergi why avoid forEach?
– reggaeguitar
Mar 7 at 17:13
3
@reggaeguitar It has too many limitations that you can trip you (like has happened here), I like
for …of
much better and recommend it universally for beginners– Bergi
Mar 7 at 18:54