What do you want to save?
Add Code snippet
New code examples
-
Javascript 2021-09-09 08:30:02
difference between foreach and map in js
forEach() just loop through the elements. It's throws away return values and always returns undefined.The result of this method does not give us an output . map() loop through the elements allocates memory and stores return values by iterating main array... Add solution -
Javascript 2021-09-04 00:11:01
objects are not valid as a react child
// You are probably trying to nest an obect within one of your components <SomeComponent> { property1: 'someText', property2: 69 } </SomeComponent> // You can only use primitives as children such as // Other components or HTML elements &l... Add solution -
Javascript 2021-08-29 09:46:02
how the map function works javascript
const posts = [ { id: 1, title: "Sample Title 1", description: "Lorem ipsum dolor sit amet, consectetur adipiscing elit..." }, { id: 2, title: "Sample Title 2", description: "Lorem ipsum dolor sit amet, consectetur a... Add solution -
Javascript 2021-08-29 09:21:02
javascript object to array
var obj = {"1":5,"2":7,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0} var result = Object.keys(obj).map(function(key) ... Add solution
Best helpers
Ranking is empty