51help TIY
码：
<html> <head> <script type="text/javascript"> function changeColor(color) { document.getElementById('x').style.color=color } </script> </head> <body> <p>。</p> <p>变：</p> <table width="100%"><tr> <td bgcolor="red" onmouseover="changeColor('red')"> </td> <td bgcolor="blue" onmouseover="changeColor('blue')"> </td> <td bgcolor="green" onmouseover="changeColor('green')"> </td> </tr></table> <form> <input id="x" type="button" value="面"> </form> </body> </html>
查看结果: