首頁 > 開發者 > JavaScript
1、文檔表單數組
文檔中所有表單，構成的數組。
<html><head></head><body>
<form id="first"></form>
<form id="second"></form>
<form id="thrid"></form>
<script type="text/javascript"><!-- 或者<script language="javascript"> -->
var fs = document.forms;
for (i = 0; i < fs.length; ++i) {
alert(fs[i].id);
}
</script>
</body></html>
2、挑選清單的選項數組
<html><head></head><body>
<form id="first">
<select name="object" onclick="test()">
<option value="china">中國</option>
<option value="us">美國</option>
<option value="uk">英國</option>
</select>
</form>
<script type="text/javascript"><!-- 或者<script language="javascript"> -->
var object = document.getElementById("object");
for (i = 0; i < object.options.length; ++i) {
alert(object.options[i].value + ", " + object.options[i].text);
}
</script>
</body></html>
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
