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  1. FreeCodecamp
    https://www.freecodecamp.org/news/html-css-and-javascript-explained-for-beginners

    Learn Web Development Basics – HTML, CSS, and JavaScript …

    • Learn what HTML, CSS, and JavaScript are, how they work together, and how to use them to create web pages. This article covers the basics of web development, the internet, the web, and the web b… See more

    What Is The Internet?

    The internet is simply a network of computers that communicate with each other to send and receive data (information). Each of these computers on the internet … See more

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    What Is Html?

    HTML stands for Hyper Text Markup Language. Dictionary.comdefines a Markup as: So you can think of HTML as the language used for creating detailed instructions … See more

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    What Is Css?

    While HTML is a markup language used to format/structure a web page, CSS is a design languagethat you use to make your web page look nice and presentable. CSS stands for C… See more

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    What Is Javascript?

    Now, if HTML is the markup language and CSS is the design language, then JavaScript is the programming language. If you don’t know what programming is, think of certain actions you … See more

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    Table of Contents
    What Is The Internet?
    What Is Html?
    What Is Css?
    What Is Javascript?
    What is the difference between JavaScript and HTML?
     
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    In HTML, the <script> tag is essential for incorporating JavaScript to make web pages interactive and dynamic. The tag can contain JavaScript code directly or link to an external JavaScript file using the src attribute. Common applications include image manipulation, form validation, and content alteration.

    Example of Inline JavaScript in HTML

    Here's a simple example of how to use JavaScript within an HTML document to change the content of an element with a specific ID:

    <!DOCTYPE html>
    <html>
    <body>

    <h2>My First JavaScript</h2>

    <button type="button" onclick="displayDate()">Click me to display Date and Time.</button>

    <p id="demo"></p>

    <script>
    function displayDate() {
    document.getElementById("demo").innerHTML = Date();
    }
    </script>

    </body>
    </html>

    External JavaScript File

    Alternatively, you can link to an external JavaScript file, which helps keep your HTML and JavaScript code separate:

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  2. HTML-CSS-JS
    https://html-css-js.com

    HTML CSS JavaScript - Free Online Editors and Tools

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