<!DOCTYPE html>
<html>
<body>
<h2 id="myH2">This is an example h2</h2>
<p id="myP">This is an example paragraph.</p>
<p id="myP2">This is also an example paragraph.</p>
<div id="myDiv">This is an example div.</div>
<br>
<button type="button" onclick="myFunction()">Set text color</button>
<script>
function myFunction() {
document.getElementById("myH2").style.color = "#ff0000";
document.getElementById("myP").style.color = "magenta";
document.getElementById("myP2").style.color = "blue";
document.getElementById("myDiv").style.color = "lightblue";
}
</script>
</body>
</html>