<html>
<head>
<title> demo </title>
<meta name="Author" content="xugang" />
<script type="text/javascript">
function foo(){
var a ="abc"; // a为变量值
var str = "b.html?id="+a+";";
//alert(document.frm.action);
//方案一(无效)
// document.frm.action = str;
//方案二(无效)
// window.location.href = str;
//方案三(有效)
window.location.replace(str);
return false;
}
</script>
</head>
<body>
<FORM name="frm" method="get"
onsubmit = "return foo()" >
<INPUT TYPE="SUBMIT" />
</FORM>
</body>
</html>
var getQueryString = function(name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
var r = window.location.search.substr(1).match(reg);
if (r != null) return r[2]; return "";
}
function foo(){
var str = "abc";
//document.forms[0].hid.value = str;
var frm = window.event.srcElement;
frm.hid.value = str;
return true;
}
<html> <head> <title> demo </title> <meta name="Author" content="xugang" /> <script src="myjs.js"></script> </head> <body> <FORM name="frm" METHOD="get" ACTION="b.html" onsubmit="return foo()"> <INPUT TYPE="hidden" id="hid" name="hid"> <INPUT TYPE="submit" value="提交"> </FORM> </body> </html>
<HTML> <HEAD> <TITLE> New Document </TITLE> </HEAD> <BODY> <SCRIPT LANGUAGE="JavaScript"> document.write(decodeURIComponent(location.search.substr(3))); </SCRIPT> </BODY> </HTML>
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