how to empty array 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: create empty array javascript

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

Example 3: empty array js

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

Example 4: javascript empty array

if (array === undefined || array.length == 0) {
    // array empty or does not exist
}