computed property in javascript

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Celestia
17 Jan 2016
1/*
2Computed Property Names is ES6 feature which allows 
3the names of object properties in JavaScript OBJECT LITERAL NOTATION
4to be determined dynamically, i.e. computed.
5*/
6
7let propertyname = 'c';
8
9let obj ={
10	a : 11,
11    b : 12,
12    [propertyname] : 13
13};
14
15obj; // result is  {a:11 , b:12 , c:13}
16
17//or incase if you want a as your object you can set in this way
18
19let a_value = {
20	[obj.a] = obj // a_value's key name as (a) and the complete (obj) present above itself will act as a value
21};
22
source
Thiago
20 Aug 2016
1/*
2Computed Property Names is ES6 feature which allows 
3the names of object properties in JavaScript OBJECT LITERAL NOTATION
4to be determined dynamically, i.e. computed.
5*/
6
7let propertyname = 'c';
8
9let obj ={
10	a : 11,
11    b : 12,
12    [propertyname] : 13
13};
14
15obj; // result is  {a:11 , b:12 , c:13}
16
17//or incase if you want a as your object you can set in this way
18
19let a_value = {
20	[obj.a] = obj // a_value's key name as (a) and the complete (obj) present above itself will act as a value
21};
source
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