html where to put script tag code example

Example 1: how to link javascript to html

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

Example 2: how to add javascript in html

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

Example 3: script tag in html

<script>
  // Write JS here
</script>

<script src="link/to/js/file.js"></script>

Example 4: how to use script tag

<script>
 document.getElementById("id").innerText = ("");
</script>