<script></script>
language   src  

The <style> tag should reside within the <head> tag and is a central storage place for any JavaScript or VBScript code in your HTML document. The <script> tag is optional.

<script language="">

   Description
   The language attribute lets the browser know which scripting language you will be using. Use either "JavaScript" or "VBScript."
Code
   <script language="JavaScript">  .  .  .  </script>

<script src="">

   Description
   The src attribute specifies a URL to a text file containing scripting code to be loaded. The src attribute is optional.
Code
   <script src="URL">  .  .  .  </script>
/body>