javascript

JavaScript Hashtable As a web developer, I have often come across the need to store and retrieve key-value pairs in JavaScript. One of the data structures that can be used for this purpose is a Hashtable. A Hashtable is an associative array which uses a hash function to compute an

Understanding "Uncaught TypeError: Cannot read property 'sid' of undefined socket.io-client" If you're a developer using the socket.io-client library, you might have encountered an error message that says: Uncaught TypeError: Cannot read property 'sid' of undefined socket.io-client This error usually

How to update to Node.js 15.11 If you're a Node.js developer, you know that staying up-to-date with the latest version is important to ensure your code runs smoothly and efficiently. The latest version, as of the time of writing, is Node.js 15.11. Here&

Target Child Event Target Child Event is a term used in web development when you want to trigger an event on a child element while clicking on its parent element. This technique can be used to improve user experience as it reduces the number of clicks required to perform an

Changing CSS Variables with JavaScript As a web developer, I have come across situations where I needed to change CSS variables dynamically using JavaScript. For instance, I had to implement a feature where the background color of a page changes depending on the time of day. To do this, I

How to Hide Status Bar in React Native? If you're building a mobile application using React Native, you might want to hide the status bar to give your app a cleaner look. The status bar is the bar at the top of the screen that displays the time,

New Line in JavaScript When working with JavaScript, it is common to add a new line in your code for clarity or organization purposes. There are a couple of ways to achieve this. Method 1: Using the \n Escape Character One way to add a new line in JavaScript is

Counting Strings in a Linked List Using JavaScript If you're working with a linked list in JavaScript and need to count the number of strings within it, there are a few different approaches you can take. Method 1: Using a Loop One way to count the number of

How to Recognize an Array in JavaScript? Arrays are one of the most commonly used data structures in JavaScript. They are objects that store multiple values in a single variable. Each value in an array is called an element, and each element has a unique index, which starts at 0.

Count Selected Gridview Rows in Javascript Have you ever encountered a situation where you need to count the number of selected rows in a gridview using Javascript? If yes, then you are in the right place. In this post, I will share with you how to count selected gridview rows