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']map through keys javascript
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }javascript Get Key/Values of Map
let map1 = new Map();
map1.set('name', 'Jack');
map1.set('age', '27');
// looping through the Map
for (let elem of map1.entries()) {
console.log(`${elem[0]}: ${elem[1]}`);
}Copyright © 2021 Codeinu
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