add external js code example

Example 1: include script in html

<script type="text/javascript" src="/path/to/script.js"></script>

Example 2: link javascript to html

<script src="index.js"> </script>

Example 3: script src tag in html

<script type="text/javascript" 
         src="file.js">  
</script>

Example 4: how to link js to html

<script src="Your-JavaScript-File.js"></script> <!--If JS file is in same folder with HTML file-->

Example 5: how to include external javascript in html

<script src="script.js">

Example 6: include javascript in html

<script>
	// JS Here  
</script>