怎样修改HTML标签的事件属性处理 <input id="test" type=button value="test" onclick="alert('1');"> <input type=button value="更改" onclick="aaa()"> <script> function aaa() { var test = document.getElementById("test"); test.onclick = function() {alert('2');} //放到函数里} </script> 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <!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> <title>无标题页</title></head><body><input id="test" type=button value="test" onclick="alert('1');"> <input type=button value="更改" onclick="aaa()"> <script> function aaa() { var test = document.getElementById("test"); test.onclick = function(){alert("2")} } </script> </body></html>要用函数初始化 <input id="test" type=button value="test" buttonValue="1" onclick="alert(this.buttonValue);"> <input type=button value="更改" onclick="aaa()"> <script> function aaa() { var test = document.getElementById("test"); test.buttonValue = 2; } </script> <input id="test" type=button value="test" onclick="alert('1');"><input type=button value="更改" onclick="aaa()"><script>function aaa() {var test = document.getElementById("test");test.onclick = alertMe;}function alertMe(){ alert(2);}</script> 楼上都对<input id="test" type=button value="test" onclick="alert('1');"> <input type=button value="更改" onclick="aaa()"> <script> function aaa() { var test = document.getElementById("test"); test.onclick = new Function("alert('2');"); } </script> js刷新页面,并防止动作重复提交 如何将html中的表单信息保存在cookie里 asp access 数据库写入问题 请教javascript中表单提交问题!!! jquery超级简单的问题 javascript正则表达式的问题 偶无法理解的怪问题?(关于表单) 能不能用javascript实现屏幕不闪烁的刷新? 如何制做菜单?(高分请教!100分!) 问个用jqplot画柱状图的问题 脚本广告的图片问题. 验证问题
<head>
<title>无标题页</title>
</head>
<body>
<input id="test" type=button value="test" onclick="alert('1');">
<input type=button value="更改" onclick="aaa()">
<script>
function aaa() {
var test = document.getElementById("test");
test.onclick = function(){alert("2")}
}
</script>
</body>
</html>要用函数初始化
<input type=button value="更改" onclick="aaa()">
<script>
function aaa() {
var test = document.getElementById("test");
test.buttonValue = 2;
}
</script>
<input type=button value="更改" onclick="aaa()">
<script>
function aaa() {
var test = document.getElementById("test");
test.onclick = alertMe;
}
function alertMe()
{
alert(2);
}
</script>
<input type=button value="更改" onclick="aaa()">
<script>
function aaa() {
var test = document.getElementById("test");
test.onclick = new Function("alert('2');");
}
</script>