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 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
arr = []; // set array=[]
//function
const empty = arr => arr.length = 0;
//example
var arr= [1,2,3,4,5];
empty(arr) // arr=[]javascript empty array
if (array === undefined || array.length == 0) {
// array empty or does not exist
}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();empty array javascript
// set array
arr = [1,2,4];
// empty array
arr = [];Copyright © 2021 Codeinu
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