第1个回答 推荐于2016-09-11
<html>
<head>
<script language="javascript">
function clk() //定义function函数
{
if(window.document.form1.button.click){
window.document.form1.button.disabled=true;
return;
}
}
</script>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<form name="form1" method="post" action="">
<input name="button" type="button" onClick="clk()" value="提交">
</form>
</body>
</html>本回答被提问者采纳