Questão de Informática

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang=pt-BR> <head> <title>CSS x JS</title> <script type="text/javascript"> function decorate(){ var links = document.getElementsByTagName('li'); for (i=0; i<links.length; i++) { links[i].firstChild.onmouseover = function(){this.style.backgroundColor = '#ff5454'} links[i].firstChild.onmouseout = function(){this.style.backgroundColor = '#ffffff'} } } </script> </head> <body onload="decorate()"> <ol> <li><a href="#1" id="link1">Link #1</a></li> <li><a href="#2" id="link2">Link #2</a></li> <li><a href="#3" id="link3">Link #3</a></li> </ol> </body> </html>