array with empty string js code example

Example 1: javascript not empty array not string

if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

Example 2: javascript empty array

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

Example 3: empty array javascript

let myArray = [12 , 222 , 1000 ];  
myArray.length = 0; // myArray will be equal to [].