how we should load javascript in html code example
Example 1: 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>
Example 2: How to add js file to a site through url
var jsFile = document.createElement("script");
jsFile.src = "homePage.js"; // it can be path also "{themes('/scripts/homePage.js')}"
document.body.appendChild(jsFile); //append it as src to body