- keys
keys of an object
examples/objects/keys.js
"use strict"; var count = { 'foo': 23, 'bar': 42, 'morse':100 }; console.log(Object.keys(count)); // [ 'foo', 'bar', 'morse' ] var keys = Object.keys(count); var i; for (i = 0; i < keys.length; i++) { console.log(i, keys[i], count[ keys[i] ]); } // 0 'foo' 23 // 1 'bar' 42 // 2 'morse' 100