js declare empty array code example

Example 1: javascript empty array

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

Example 2: create empty array javascript

const myArray1 = []
// or...
const myArray2 = new Array()

Example 3: create an empty array js

let arrayName = [];

Example 4: javascript declare empty array

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

Example 5: empty array js

let list = [1, 2, 3, 4];
function empty() {
    //empty your array
    list.length = 0;
}
empty();

Example 6: javascript empty array

var arr1 = ['a','b','c','d','e','f'];
var arr2 = arr1;  // Reference arr1 by another variable 
arr1 = [];
console.log(arr2); // Output ['a','b','c','d','e','f']