JavaScript is a programming language used mainly by Web browsers to create a dynamic and interactive experience for the user. Most of the functions and applications that make the Internet essential to modern life are coded in some form of JavaScript.

JavaScript is the programming language of HTML and the Web.

JavaScript is one of the easiest programming language to learn.

This tutorial will teach you JavaScript from basic to advanced.

Why do we use JavaScript?

JavaScript is one of the 3 languages all web developers must learn:

   1. HTML is defined for the content of web pages

   2. CSS is use to specify the layout and styling of web pages

   3. JavaScript is an object orient programming language designed to make web development easier and more attractive. In most cases, JavaScript is used to create responsive, interactive elements for web pages, enhancing the user experience.

Web pages are not the only place where JavaScript is used.

Many desktop and server programs use JavaScript. Node.js is the best known. Some databases, like MongoDB and CouchDB, also use JavaScript as their programming language.

Why Javascript is the most popular programming language

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For the sixth year in a row, JavaScript is the most commonly used programming language. Python has risen in the ranks, surpassing C# this year, much like it surpassed PHP last year. Python has a solid claim to being the fastest growing major programming language.

JavaScript Introduction:

JavaScript Can Change HTML Content

One of many JavaScript HTML methods is getElementById().

<!DOCTYPE html>
<html>
<body>

<h2>What Can JavaScript Do?</h2>

<p id="demo">JavaScript can change HTML content.</p>

<button type="button" onclick='document.getElementById("demo").innerHTML = "Hello JavaScript!"'>Click Me!</button>

</body>
</html>

Output:

What Can JavaScript Do?

JavaScript can change HTML content.

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