how use js in html code example
Example 1: javascript with html
// this how add javascript file in html !!
<script type="text/javascript" src="yourJavascript.js"></script>
Example 2: how to use javascript in html
<!-- include an external javascript document -->
<script src="myJavaScript.js" charset="utf-8"></script>
<!-- JavaScript inside html element -->
<script>
console.log("This is JavaScript");
</script>