javascript事例一
日期：2014-05-16 浏览次数：20365 次
document.write("hello world");
<a href="javascript:alert('helloword')">我在这里</a>
<a href="#" onclick="alert('helloword')">我在这里</a>
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button的跳转
history.back() 后退
history.forward() 前进
history.go(-2) 后退两步
<form>
按钮禁用
<html>
<head>
<script language="javascript">
??function checkValid(form)
??{
?? document.getElementById("submitbutton").disabled=true;
?? return false;
??}
</script>
</head>
<body>
<form action="" method="post"??>
??<input type="submit" value="提交" id="submitbutton" onclick="return checkValid(this)"/>
</form>
</body>
</html>
设置窗口大小
<script type="text/javascript">
function?? resizewin(w,h)??
??{??
??window.resizeTo(w,h)??
??
??}??
?? </script>
<body??onload=resizewin(550,600)>
设置投票
<html>
<head>
<title>js投票</title>
<meta http-equiv="Content-Type" content="text ml; charset=gb2312">
</head>
<body>
<SCRIPT LANGUAGE="JavaScript">
var t=0;
var f=0;
function setstar()
{
????t++;
document.all.tt.innerHTML=t;
}
function resetvalue(){
?? f++;
????document.all.ff.innerHTML=f;
}
//-->
</SCRIPT>
<div style="font-size:48pt;">
</div>
<from id="fr1">
<table id="tb2">
??<tr>
?? <td><a href="#" onClick="setstar()">支持</a><span id="tt"></td><td><a href="#" onClick="resetvalue()">反对</a><span id="ff"></td>????????
??</tr>
</table>
</form>
</body>
<html>
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