Internal JavaScript (Using <script> Tag in HTML):

In this method, JavaScript is written within the HTML document but inside the <script> tag. This is useful when the script is only relevant to the specific page. You can place the <script> tag either in the <head> or at the end of the <body> section.

Example:

JavaScript
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Internal JavaScript Example</title>
  <script>
    function showMessage() {
      alert('Hello from Internal JavaScript!');
    }
  </script>
</head>
<body>
  <button onclick="showMessage()">Click Me</button>
</body>
</html>
  • Head Section: Placing the script inside the <head> section can cause the script to run before the page content is fully loaded.
  • End of Body: It’s common to place the <script> tag just before the closing </body> tag. This ensures that the HTML content loads first, and then the script executes.

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