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javascript set object key by variable

/* FOR ES6 and Babel */
{
    [yourKeyVariable]: someValueArray,
}  

//for older versions

var key = "happyCount";
var obj = {};
obj[key] = someValueArray;
myArray.push(obj);
Comment

javaScript set object key by variable

const yourKeyVariable = "key";
const value = ...;

const obj = {
    [yourKeyVariable]: value,
}
Comment

JavaScript set object key by variable

var key = "happyCount";
myArray.push( { [key] : someValueArray } );
Comment

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