How to Embed JavaScript in HTML
To embed JavaScript in HTML, you can use the<script> tag. This tag can be placed in the <head> or <body> section of your HTML document. Here is an example:
<!DOCTYPE html>
<html>
<head>
<title>JavaScript in HTML</title>
</head>
<body>
<h1>Hello, World!</h1>
<script>
document.write("This is JavaScript code.");
</script>
</body>
</html>Best Practices for Using JavaScript in HTML
When embedding JavaScript in HTML, follow these best practices:- Place your JavaScript code at the bottom of the
<body>tag to ensure the HTML content loads first. - Use external JavaScript files to keep your HTML clean and organized.
- Minimize the use of inline JavaScript to improve readability and maintainability.
Common Use Cases for JavaScript in HTML
JavaScript is used in various scenarios, such as:- Form validation
- Creating interactive elements like sliders and modals
- Fetching data from APIs
<script> tag with the src attribute to link an external JavaScript file:
<script src="script.js"></script>