from array remove empty values javascript code example

Example 1: 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);

Example 2: js remove null from array

const filteredArray = [1, null, undefined, 2].filter(Boolean)