How to change HTML page using JavaScript - CodeVsColor

You can add one piece of JavaScript code with a HTML page to change or modify HTML and CSS values dynamically. HTML is a markup language that is used to define the structure of a page, CSS is style rules used to add styles to a HTML page and JavaScript is a scripting programming language that is used to add complex dynamic features to a HTML page like responding to different user interactions, changing the web page dynamically, animate the page, etc. Without JavaScript, your web page will be a static page.