HTML DOM insertAdjacentText() Method
<!DOCTYPE html>
<html>
<body>
<h1>HTML DOM insertAdjacentText() Method</h1>
<p>This method inserts a specified text, into a specified position.</p>
<h2 id="myH2">My Header</h2>
<p>Click the button to insert some text after the header:</p>
<button onclick="myFunction()">Insert text</button>
<script>
function myFunction() {
var h = document.getElementById("myH2");
h.insertAdjacentText("afterend", "My inserted text");
}
</script>
</body>
</html>