In JavaScript, there are a few ways to check if a variable is an array. Here are three of the most common methods: Using the Array.isArray() method. Using the instanceof operator. Checking the constructor type. 1. Using the Array.isArray() method The Array.isArray() method is a built-in method that takes a single argument, the variable you…

Using the checked property The most straightforward way to check whether a checkbox is checked is to use the checked property. This property is a Boolean value that indicates whether the checkbox is checked or not. For example, the following code would check whether the checkbox with the ID myCheckbox is checked var isChecked…

JavaScript provides a number of ways to check whether a string contains a substring. In this blog post, we will discuss three of the most common methods: The includes() method The indexOf() method The includes() Method The includes() method was introduced in ES6, and it is the most concise and efficient way to…

Introduction The focus-within CSS attribute is a pseudo-class that is used to style an element when any of its descendants are focused. This means that the CSS rules for the focus-within pseudo-class will be applied to the element itself, as well as to any of its children that are currently focused. …

Event delegation is a powerful technique used extensively in JavaScript to manage events efficiently. It allows us to listen for events on parent elements instead of binding them to each child element, hence reducing the number of event listeners and improving the performance of our application. Let’s dive deeper into…

What is sessionStorage? SessionStorage is a global object that allows you to store data in the browser’s local storage. The data is stored in a key-value pair format, and it is only available to the current session. This means that when you close the browser, the data is deleted. How to use sessionStorage To use sessionStorage, you…

What is localStorage? localStorage is a web storage API that allows JavaScript code to store data in the user’s browser. The data is stored in key-value pairs, and it is not deleted when the browser is closed. …

In this post we will look 12 useful javascript code snippet JavaScript is one of the most popular programming languages around. It has become a staple for dynamic and interactive web pages. But whether you’re a beginner or a seasoned developer, it never hurts to have a few code snippets…

This blog post explains three methods for checking if a date is before or after another date in JavaScript. When working with dates in web development, checking whether one date is before or after another date is a common task. This is particularly important when creating event calendars, scheduling appointments…