HTML <script> tag

The \<script> element is used to define client-side script, such as JavaScript in HTML documents.
* JavaScript in body or head: Scripts can be placed inside the body or the head section of an HTML page or inside both head and body.
* External JavaScript: JavaScript can also be used as external files. JavaScript files have file extension .js . To use an external script put the name of the script file in the src attribute of a script tag. External scripts cannot contain script tags.
Advantages of External JavaScript:
    * It separates the HTML and JavaScript code
    * It makes JavaScript and HTML easier to read and maintain
    * It focuses on code reusability that is one JavaScript Code can run in various HTML files.
    * Cached JavaScript files can speed up page loading

```
<!DOCTYPE html>
<html>
   <head>
      <script>
         function f() {  }
      </script>
   </head>
   <body>
      <script>
         function f() {  }
      </script>
      <script src="script.js"></script>
   </body>
</html>
```
Home