var script = document.createElement("script");
script.src = "https://url.com/";
document.head.appendChild(script);
<script>
// Put JavaScript inside here
</script>
<!-- OR -->
<script src="all-js/01001/015.js"></script>
<script type="text/javascript">
console.log("text console log");
</script>
<script>
//Insert JS scripts here
var html
html = "You can use the <script> tag to incorporate JS code into your HTML code"
console.log(html)
</script>