js declare array empty code example

Example 1: javascript empty array

var colors = ["red","blue","green"];
    colors = []; //empty the array

Example 2: create an empty array js

let arrayName = [];

Example 3: generate empty array js

Array.from({length: 500})

// change the length to whatever value you want

Example 4: javascript declare empty array

// Variable array for a wider scope:
var arrayName = [];
// Local scope variable array:
let arrayName = [];