Why do companies use JavaScript?

JavaScript is a programming language that is commonly used to add interactivity and other dynamic features to websites. It is used in conjunction with HTML and CSS to create web pages and applications that can respond to user input and perform various actions, such as displaying pop-up messages, updating content on the page, and handling user-generated data.

One of the main reasons to use JavaScript is that it is supported by all modern web browsers, which means that any website or web application that uses JavaScript will work on any device with a web browser. This makes it an ideal choice for creating cross-platform web applications that can be accessed by a wide range of users.

Another reason to use JavaScript is that it is relatively easy to learn and use, compared to other programming languages. It has a simple, flexible syntax that allows even beginner programmers to create basic web applications, and there are many libraries and frameworks available that can help to extend its capabilities and make development even easier.

Overall, JavaScript is a valuable and versatile programming language essential for modern web development. It allows developers to create interactive and dynamic websites and applications that can run on any device with a web browser, and it is relatively easy to learn and use.