open_in_new content_copy 
<html>	
	<div id="target">
    	<p>This is some text</p>
    </div>

  <script>

    //GET
      var divElement = document.getElementById("target").innerHTML;

    //CHANGE
      var heading = '<h1>Example text</h1>';
      document.getElementById("target").innerHTML = heading;

    //TO MAKE DIV EMPTY
        document.getElementById("target").innerHTML = '';

  </script>
  
</html>