mdn empty array code example
Example 1: javascript empty array
var colors = ["red","blue","green"];
colors = []; //empty the array
Example 2: 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']