Category: JavaScript

React is a powerful library for building dynamic user interfaces, but as your application grows, performance can become a concern. One of the tools React provides to optimize performance is the useMemo hook. In this article, we’ll explore what useMemo is, why it’s useful, and how to implement it effectively in your React projects. What… Continue reading Mastering Performance in React with useMemo

Why This is Interesting Suspense Magic: React Suspense allows the component to “suspend” rendering while the data is being fetched, showing a fallback UI (like “Loading…”) until the data is ready. This eliminates the need for manual loading states with useState and useEffect. Caching Twist: The fetchUserData function uses a Map to cache results, so… Continue reading React Suspense for Data Fetching

Introduction React has revolutionized the way we build user interfaces, and its hooks API has made state management and side effects more intuitive. However, as applications grow, performance can become a bottleneck. One tool in React’s optimization toolbox is the useCallback hook. In this article, we’ll explore what useCallback is, when to use it, and… Continue reading Mastering useCallback in React

Let’s say you’re building a dashboard that filters a list of users based on a search term. Without useMemo, the filtering logic might run on every render, even if the data or search term hasn’t changed. Here’s how you might implement this without useMemo: import React, { useState } from ‘react’; function UserList({ users })… Continue reading A Practical Example Of useMemo

The function in the javascript is used to display the sales order items in a table structure. <script>       let removedItems = [];       let addedItems = [];       let deleteSOPersmissionFlag = “${deleteSOPersmission}”;       document.addEventListener(“DOMContentLoaded”, function () {         let scanButton = document.getElementById(“scanItemBtn”);         let fetchButton = document.getElementById(“fetchItemBtn”);         let saveButton = document.getElementById(“savebutton”);         let deleteBtn = document.getElementById(“deleteOrderBtn”);         const cancelOrder = document.getElementById(“cancelBtn”);         if… Continue reading Function To Render the Data in Table Structure Using HTML