get keys of dictionary js
// Get keys of a dictionary
let dict = { a:1 , b:2 , c:3 }
console.log( Object.keys(dict) ) // expected output : ['a', 'b', 'c']get keys of dictionary js
// Get keys of a dictionary
let dict = { a:1 , b:2 , c:3 }
console.log( Object.keys(dict) ) // expected output : ['a', 'b', 'c']get keys of object in an array
const object1 = {
a: 'somestring',
b: 42,
c: false
};
console.log(Object.keys(object1));
// expected output: Array ["a", "b", "c"].keys() array
var arr = ['a', , 'c'];
var sparseKeys = Object.keys(arr);
var denseKeys = [...arr.keys()];
console.log(sparseKeys); // ['0', '2']
console.log(denseKeys); // [0, 1, 2]Copyright © 2021 Codeinu
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