JavaScript

In JavaScript, you can use the built-in split() method to split a string into an array of substrings based on a specified delimiter: string.split(separator, limit) Parameters ParameterDescriptionseparatorOptional. Specifies the......

This concise article shows you how to use regular expressions to extract and validate URLs in JavaScript. No more delay; let’s get to the point. Extracting URLs To extract URLs from a string, use the match() method with this......

Substring extraction means retrieving a portion of a string based on certain criteria. This succinct, practical article will walk you through a few different ways to extract a substring from a given string in JavaScript. No time to waste;......

An empty string is a string that contains no characters at all. This concise article shows you 2 different ways to check whether a given string is empty or not in JavaScript. Note: A string that contains only whitespace characters,......

Reversing a string means changing its order so that the last character becomes the first, and the second last character becomes the second, and so on. This straightforward, example-based article shows you a couple of different ways to......

This concise article shows you how to convert a string to upper or lower case in JavaScript, from theory to practical examples. Overview To convert a given string to uppercase, you can use the toUpperCase() method. To convert a......

This article is about the try…catch…finally statement in JavaScript. Overview Try…catch…finally is a JavaScript feature that helps handle errors in code. It allows developers to attempt a risky operation in the try......

When developing web applications, there might be an enormous number of times when we need to remove HTML tags from a string, such as: When working with content that will be used in an email or other message format where HTML tags are......

In JavaScript, certain characters have special meanings and are used to represent various values and formatting within a string. For example, the double quote (“) character is used to indicate the beginning and end of a string. If a......

When developing web projects (either front-end or back-end), random strings are commonly used for various purposes, such as making unique identifiers for user accounts or objects in a database or creating random file names to avoid naming......

This concise article shows you how to get the current date and time in Javascript in yyyy/MM/dd HH:mm:ss format. We’ll write code from scratch without using any third-party libraries. In the example below, we will create a new......

This concise and straight-to-the-point article walks you through different ways to make comments in JavaScript. Line Comment A line comment starts with two forward slashes // and ends at the end of the line. Line comments are used......