empty array length javascript code example

Example 1: javascript check if array is empty

if (array && !array.length) {
    // array is defined but has no element
}

Example 2: javascript not empty array not string

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

Example 3: 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 4: empty array js

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

Example 5: empty array length javascript

empty array check javascript

Example 6: empty array length javascript

empty array check javascript