Скачать или смотреть How To Add JavaScript to HTML (With Examples) | JavaScript Tutorial

To add JavaScript to HTML, follow these steps:

1. Create an HTML file: Start by creating an HTML file with a .html extension. You can use a text editor or an integrated development environment (IDE) to create the file.

2. Add a script tag: Inside the HTML file's `head` or `body` section, add a `script` tag to define the JavaScript code. The `script` tag is used to include JavaScript code within an HTML document.

3. Write your JavaScript code: Between the opening `script` tag and the closing `/script` tag, write your JavaScript code. This can include variable declarations, functions, event handlers, or any other JavaScript statements.


In this example, the JavaScript code defines a `greet()` function that displays an alert when the button is clicked.

4. Save the HTML file: Save the HTML file with the .html extension.

5. Open the HTML file in a web browser: Double-click the HTML file to open it in a web browser. The JavaScript code will be executed when the page loads or when triggered by an event, such as clicking the button in the example.

By following these steps, you can easily add JavaScript code to an HTML file and make your web page interactive and dynamic.

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