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Ibro/symbols-javascript-for-in.js

Last active April 26, 2017 04:57
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JavaScript symbols for-in loop - Coding Blast - www.codingblast.com
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symbols-javascript-for-in.js
let symbol1 = Symbol();
let symbol2 = Symbol();
var obj = {
a: 13,
[symbol1]: 5,
[symbol2]: 11
};
let props = [];
for(let prop in obj) {
props.push(prop);
}
console.log(props); // ["a"]
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