用javascript写一个网页可切换搜索引擎的网页的代码
时间: 2023-03-16 10:43:31 浏览: 89
下面是示例代码:<html>
<head>
<script type="text/javascript">
function changeSearchEngine(form) {
var index = form.searchEngines.selectedIndex;
form.action = form.searchEngines.options[index].value;
}
</script>
</head>
<body>
<form action="http://www.google.com/search" method="get" onchange="changeSearchEngine(this)">
<input type="text" name="q" />
<select name="searchEngines">
<option value="http://www.google.com/search">Google</option>
<option value="http://search.yahoo.com/search">Yahoo</option>
<option value="http://www.bing.com/search">Bing</option>
</select>
<input type="submit" value="Search" />
</form>
</body>
</html>