Write a polyfill (fallback function) for filter method for arrays
Risposte di colloquio
Anonimo
22 giu 2021
Array.prototype.myFilter = function(callback){
var filteredArray = [];
for(var i=0;i{
return el % 2 === 0
})
console.log(filteredArray)
Anonimo
29 lug 2021
While adding answer to this question it was added incompletely. Hence adding here again
Array.prototype.filter = null;
if (!Array.prototype.filter) {
Array.prototype.filter = function (callback) {
var filtered = [];
for (var i = 0; i el % 2 === 0);
console.log(filteredArr)