easy way to array empty in javascript code example

Example 1: javascript empty array

arr = [];   // set array=[]

//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]

Example 2: javascript empty array

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

Example 3: create empty array javascript

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

Example 4: create an empty array js

let arrayName = [];

Example 5: 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']