how to check an empty array in js code example

Example 1: javascript check if array is empty

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}

Example 2: empty array js

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

Example 3: empty array javascript

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