<html>
<head>
<title>动态添加javascript</title>
<script type="text/javascript">
var testShow;
function testAdd(){
var s='alert(\"Hello\");';
testShow = new Function(s)
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<input type="button" onclick="testShow();" value="测试"/>
<input type="button" onclick="testAdd();" value="增加"/>
</div>
</form>
</body>
</html>
注意不要定义 add show 为自定义方法
<script type="text/javascript">
function show(){
alert("show");
}
</script>[
由于我现在做的一个小东西要往页面中加入很多类似的东西。。比如给定一个字符串。。
"<script type=\"text/javascript\" src=\"demo.js\"></script>"
<button onclick="show()">show</button>
<script type="text/javascript">
function fun()
{
//firefox可以
/*var div = document.createElement("div");
var str = '<script type="text/javascript">\
function show()\
{alert("good")}\
<\/script>'
div.innerHTML = str;
document.body.appendChild(div);*/
var spt = document.createElement("script");
spt.type = "text\/javascript";
//spt.innerHTML = "function show(){alert(123)}";//firefox下可以
spt.src = "js.js";//IE和firefox都可以
document.body.appendChild(spt);
}
</script>
<body>
<div id="test"></div>
<input type="button" onclick="test()" />
<script type="text/javascript">
function addScript(id,str){
window.execScript((str+";").replace(/<\/?script[^\)]*>/ig,"").replace(/document.write\((.*?)\)[\s;]/ig,function(){
return ("document.getElementById('"+id+"').innerText+="+arguments[1]+";");
}));
}function add(){
var id="test";
var str="alert('xx');\n var a=100;document.write('(xxx)');document.write('aaaa')\n";
addScript(id,str);
};
</script>
<input type="button" value="add" onclick="add()"/>