下拉列表框onchange事件
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>无标题文档</title><style type="text/css">#cssid{height:100px;width:300px;background-color:#FFCC00;}#textid{background-color:#CCCCCC;width:300px;}</style><script type="text/javascript" src="../Day26/doctool.js"></script><script type="text/javascript">function change(){var selNode = byId("selid");var value = selNode.options[selNode.selectedIndex].value;//alert(value);var divNode1 = byId("cssid");var divNode2 = byId("textid");divNode1.style.textTransform = value;divNode2.innerText = "text-transform : "+value+";";}</script></head><body><div id="cssid">Good good study,Day day up!</div><p></p><select id="selid" onchange="change()"><option value="none">--text-transform--</option> <option value="capitalize">首字母大写</option> <option value="uppercase">所有字母大写</option> <option value="lowercase">所有字母小写</option></select><p></p><div id="textid">text-transform : none;</div></body></html>?