Polyfills of map , filter & reduce | Web Development in Hindi

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[@ashishkumarjha2587]

let rA = [1,2,3,4,5]
function mypolyReduce(arr,acc,cb){
for(i=0;i

[@jobanpreetsingh2370]

function polyfillMAP(arr, cb, v){
let sum = 0;
for(let i=0; i

[@priyankaamahour]

Extremely easy to understand
Thank you for making this soo simple 🙏🏻

[@arshadmanxoori07]

let a = [1, 2, 3, 4, 5];
function reduce(a, cb){
let newArr = [];
return cb(a);
}
function sum(arr){
let accumulator = 0;
for(let i = 0; i < arr.length; i++){
accumulator += arr[i];
}
return accumulator;
}
console.log(a);
console.log(reduce(a, sum));
Right?

[@akshaygaikwad79]

function reduce(a, cb, acc) {
for(let i=0;i

[@abhayshrivastva1014]

// find sum of all element of array by custom method.
let array = [1,2,3,4,5,6]
let polyfillReduce= (arr,cb,accumulator) => {
let sum = accumulator
for(i=0;i{
return sum+x
}
console.log(array)
console.log(polyfillReduce(array,issum,0))

[@k.r.s.756]

function polyFullReduce(arr,cb) {
let s=0;
for(let i=0;i

[@ABC-ks8ir]

Sir browser ko videos kyu nhi aa rhi 2 din se?

[@aniketgupta4771]

My solution -
// cutom reduce or reduce pollyfill
function myReducePollyfill(arr, cb) {
let accumulator = 0;
for(let i=0; i

[@LegitGamer2345]

reduce polyfill
let array = [1,2,3,4,5]
function customReduce(arr,cb,accumulator,init){
console.log("Using custom reduce")
accumulator = init;
for(let i=0;i

[@jasminesharma2685]

My Solution for Reduce Polyfill-
let arr=[1,2,3,4];
function myReducePolyfill(cb,arr)
{
let total=0;
for(let i=0;i 10
Kindly check and suggest any rectifications :)
Happy Learning

[@UsmanArain]

const customReduce = (arr) => {
let sum = 0;
arr.forEach((element) => {
sum += element;
// console.log(sum);
});
return sum;
};
console.log(customReduce(arr));

[@harshbatham6848]

const arrM=[2,3,4,12,34,22,17]
function reduceMap(arr,cb, acc){
for(let i=0; i

[@Pepcoding]

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[@DivyanshukumarCs]

let myArr=[1,2,3,4,5,6];
function mypolyfillsreduce(arr,cb){
let ans=cb(arr,0);
return ans;
}
function sum(arr,x){

for(let i=0;i

[@madhavanand756]

function customReduce(array, callback, initialValue) {
let accumulator = initialValue !== undefined ? initialValue : array[0];
for (let i = initialValue !== undefined ? 0 : 1; i < array.length; i++)
accumulator = callback(accumulator, array[i]);
return accumulator;
}
const numbers = [1, 2, 3, 4, 5];
const sum = customReduce(numbers, (accumulator, current) => accumulator + current, 0);
console.log(sum); // Output: 15
const product = customReduce(numbers, (accumulator, current) => accumulator * current, 1);
console.log(product); // Output: 120

[@Ankushkumar-vq1zb]

please make a video on async, await, ES6 promises

[@Pepcoding]

Aage aayengi videos

[@yogeshsamse7441]

you are hardcode the polyfills , it's not correct method

[@thetechfreak2987]

this is not a good way you are not solving data structure question like we cannot call map like that

[@biswamohandwari780]

I love js but still i hate python