Including JavaScript in HTML

In HTML, you can include JavaScript in several ways: inline, on the same page with the <script> tag, or through a linked external file.

Syntax:

You can use JavaScript in your HTML document in the following ways:

Inline JavaScript: <button onclick="alert('Hello!')">.

Internal JavaScript: Inside the <script> tag in the same HTML file.

IExternal JavaScript: Using <script src="file.js">.

Purpose:

Using JavaScript allows you to add interactivity and dynamism to your web pages.

Exercises

Interactive quiz 1: Drag and Drop.

Arrastra en el orden correspondiente.

Arrastra las opciones:

</script>

document.write("Hello from JS");

<html>

</html>

Completa el código:

______

Interactive quiz 2: Fill in the blanks

Rellena los huecos en cada casilla.

<html>
  <head>
    <title>JavaScript Example</title>
  </head>
  <body>
    <h1>Print Hello from JavaScript</h1>
    <script>
      
    </script>
  </body>
</html>

Exercise 3:

Complete the code in the editor to display the message "Hello world from JS!" on the page.

* Write the code below. Correct characters will be shown in green and incorrect ones in red.

<html>
  <body>
    <p id="demo"></p>
    <script>
      document.getElementById("demo").innerHTML = "This text was added with JavaScript!";
    </script>
  </body>
</html>

How can you include JavaScript in an HTML file?

JavaScript Concepts and Reference

JavaScript Intro

Control Structures

Functions

Objects in JavaScript

Arrays

DOM (Document Object Model)

Error Handling

Promises and Asynchronicity

Modules in JavaScript

ES6 and Advanced Features

Other Important Concepts

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