首頁 > 開發者 > JavaScript
<html>
<head>
<title>test</title>
<script language="javascript">
function emailCheck () {
var emailStr=document.all.form1.tel.value;
alert(emailStr);
var emailPat=/^(.+)@(.+)$/;
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("電子郵件地址必須包括 ( @ 和 . )")
return false;
}
return true;
}
</script>
</head>
<body>
<form name="form1">
<input type="text" name="tel"/>
<input type="button" value="press" />
</form>
</span>
</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
