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=[]create empty array javascript
const myArray1 = []
// or...
const myArray2 = new Array()javascript is array empty
var colors=[];
if(!colors.length){
// I am empty
}else{
// I am not empty
}javascript declare empty array
// Variable array for a wider scope:
var arrayName = [];
// Local scope variable array:
let arrayName = [];Copyright © 2021 Codeinu
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