link to a javascript file code example

Example 1: include script in html

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

Example 2: how to link your js file 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 javascript to html

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