选择并转移导航菜单
2009-06-08 16:43
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//script01.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Select and Go Navigation</title>
<script language="Javascript" type="text/javascript" src="script01.js">
</script>
</head>
<body bgcolor="#FFFFFF">
<div align="center">
<form action="gotoLocation.cgi">
<select id="newLocation">
<option selected="selected">Select a topic</option>
<option value="script06.html">Cross-checking fields</option>
<option value="script07.html">Working with radio buttons</option>
<option value="script08.html">Setting one field with another</option>
<option value="script09.html">Validating Zip codes</option>
<option value="script10.html">Validating email addresses</option>
</select>
<noscript>
<input type="submit" value="Go There!" />
</noscript>
</form>
</div>
</body>
</html>
//script01.js
window.onload = initForm;
window.onunload = function() {};
function initForm() {
document.getElementById("newLocation").selectedIndex = 0;
document.getElementById("newLocation").onchange = jumpPage;
}
function jumpPage() {
var newLoc = document.getElementById("newLocation");
var newPage = newLoc.options[newLoc.selectedIndex].value;
if (newPage != "") {
window.location = newPage;
}
}
本例摘自<<JavaScript基础教程>>第7章
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Select and Go Navigation</title>
<script language="Javascript" type="text/javascript" src="script01.js">
</script>
</head>
<body bgcolor="#FFFFFF">
<div align="center">
<form action="gotoLocation.cgi">
<select id="newLocation">
<option selected="selected">Select a topic</option>
<option value="script06.html">Cross-checking fields</option>
<option value="script07.html">Working with radio buttons</option>
<option value="script08.html">Setting one field with another</option>
<option value="script09.html">Validating Zip codes</option>
<option value="script10.html">Validating email addresses</option>
</select>
<noscript>
<input type="submit" value="Go There!" />
</noscript>
</form>
</div>
</body>
</html>
//script01.js
window.onload = initForm;
window.onunload = function() {};
function initForm() {
document.getElementById("newLocation").selectedIndex = 0;
document.getElementById("newLocation").onchange = jumpPage;
}
function jumpPage() {
var newLoc = document.getElementById("newLocation");
var newPage = newLoc.options[newLoc.selectedIndex].value;
if (newPage != "") {
window.location = newPage;
}
}
本例摘自<<JavaScript基础教程>>第7章
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