javascript

Split Text and Join in JS Splitting and joining strings is a common task in JavaScript. It can be helpful in manipulating data, formatting text, and so on. Luckily, JavaScript provides built-in methods to split and join strings. Splitting Strings The split() method is used to split a string into

JSON Won't Compile: "Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE'" If you are encountering the error message "Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE'" while trying to compile your JSON, it means

How to Find the Last Word of a String in JavaScript If you're working with strings in JavaScript, you might need to find the last word of a string for various reasons. Here are a few ways you can achieve this: Method 1: Using Split and Pop You

Understanding Composer Require Command Composer is a popular dependency management tool used in PHP projects. It allows developers to easily manage dependencies and libraries for their projects. One of the primary features of Composer is the ability to install packages and libraries from Packagist, which is the official repository for

React Timer React Timer is a popular feature in React applications that allows users to count down or up to a specific time. This can be used for a variety of purposes, such as tracking the time remaining for an event or setting a time limit for an activity. Implementation

Arrow Expression in JavaScript Arrow functions, also known as arrow expressions, were introduced in ECMAScript 6 (ES6) as a new syntax for defining functions in JavaScript. They provide a more concise way of writing functions and have a shorter syntax than traditional functions. Syntax The basic syntax of an arrow

If Statement in JS If statement in JavaScript is a conditional statement used to execute a block of code if a particular condition is true. The syntax for writing an if statement is: if (condition) { // code to be executed if condition is true } The condition in the if statement is

Function data_map() var data = [ ['a','b', 1], ['c','d', 2], ['e','f', 3], ['g','h', 4] ]; var newData = data.map(function(row){ return [row[0], row[2]]; }); The data_map() function creates a

Understanding nextElementSibling in Javascript If you are wondering what nextElementSibling is in Javascript, you are in the right place. nextElementSibling is a property in Javascript that allows you to access the next sibling element of a given element. It returns the next element that is of type Element, skipping over

Understanding useEffect in React.js If you're working on a React.js project, you may have come across the useEffect() hook. This hook allows you to perform side effects in functional components, such as fetching data, subscribing to events, or manipulating the DOM. Let's take a