Error boundaries, introduced in React 16, offer a powerful mechanism to gracefully handle errors within isolated parts of your component tree. By strategically implementing error boundaries, you can prevent entire application crashes, display informative fallback UIs, and maintain a seamless user experience even when errors occur. Understanding Error Boundaries: Concept: Error boundaries are class components (or…
Category: Codes
Custom React Hook – Get Device Screen Information – Simple JavaScript Code
Get User Device Screen Information using React Js Hook. Hello Readers… In this article, we will learn how to create our own hook for react js. There is a large number of hooks available in React Js. But also some important features/hooks are still missing in this framework. Today we are going to develop our…
Find and return the sum of missing and duplicate number – Easy Code
The input “nums” is supposed to be an array of unique integers ranging from 1 to nums.length. However there is a mistake: one of the number in the array is duplicated, which means another number is missing. Find and return the sum of the duplicated number and the missing number. Example: In the array [4,…
Write a function to take a positive integer and return the largest power of two less than or equal to this integer – JavaScript Program
Write a function to take a positive integer and return the largest power of two less than or equal to this integer – JavaScript Program. A function that takes a positive integer and returns the largest power of two less than or equal to that integer. Input: 5 Output: 4 Input: 16 Output:…
Fibonacci Series In JavaScript – Easy Way
The Fibonacci sequence/series is a set of numbers that starts with a one (1) or a zero (0), followed by a one, and proceeds based on the rule that each number is equal to the sum of the preceding two numbers. If the Fibonacci sequence is denoted F (n), where n is the first term in the sequence, the following equation obtains for n = 0, where the first two terms are defined as 0 and 1 by convention:
Find out if you can reach the last tile – Program Code
There are a number of tiles on the floor, each numbered with a different non-negative integer. Treat this set of tiles as an array. You are initially standing on the first tile. Each tile in the set represents your maximum jumping distance at that position. (Ex: If you are standing on 3 you can jump…