How array methods work internally => Map || Filter || ReduceMap We discovered the power of map, which enables us to create a new array by applying a transformation to each element of an existing array. By understanding the internal workings of, we gained insights into how it functions its magic behind the sce...Jun 24, 2023 · 1 min readbishalthesoftwareengineer.hashnode.dev
closures || map method || arguments || map method how internally worksvar map = function(arr, fn) { let n=arr.length; let arr2=[]; for(let i=0;i<n;i++){ //here we can call this function with 0 || 1 || 2 no of arguments arr2.push(fn(arr[i],i)); } return arr2; }; function arguments behavior ...Jun 22, 2023 · 1 min readbishalthesoftwareengineer.hashnode.dev
