<html><head><script type="text/javascript">function setColor(){document.getElementById("p1").style.color="#ff0000";document.getElementById("p2").style.color="magenta";}</script></head><body><p id="p1">This is an example paragraph.</p><p id="p2">This is also an example paragraph.</p><input type="button" onclick="setColor()" value="Change color of text" /></body></html>