Easy
20 minutes
useKeyPress Custom Hook
Keypress events are triggered whenever a user hits any of the keys on the keyboard and some action happens on the web application. Create a custom hoo...
Salesforce
#React
1 like
Easy
20 minutes
Memoization
Memoization is a way for a function to remember or cache the results. Given an expensive function that takes a long time to compute for the same resul...
Amazon
#Javascript
2 likes
Easy
25 minutes
Flatten A Nested Object
Flatten a nested object that contains arrays and objects as children. The task is to make the object flat, i.e. there should be no nested children lef...
Medium
60 minutes
Polyfills
A polyfill is a code snippet (in terms of javascript web architecture) used for modern world functionalities on older browsers that do not implement i...