Answers for "empty the array in javascript"

Javascript remove empty elements from array

var colors=["red","blue",,null,undefined,,"green"];

//remove null and undefined elements from colors
var realColors = colors.filter(function (e) {return e != null;});
console.log(realColors);

javascript empty array

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

create empty array javascript

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

create an empty array js

let arrayName = [];

javascript declare empty array

// Variable array for a wider scope:
var arrayName = [];
// Local scope variable array:
let arrayName = [];

empty array js

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