我們可以使用JavaScript編寫以下腳本，驗(yàn)證用戶輸入的郵件地址的有效性。
<>
<>
< language="Javascript1.2">
<!-- start hiding
function verifyAddress(obj)
{
var email = obj.email.value;
var pattern = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
flag = pattern.test(email);
if(flag)
{
alert(“Your email address is correct!”);
return true;
}
else
{
alert(“Please try again!”);
return false;
}
}
// stop hiding -->
</script>
</head>
<>
< onSubmit="return verifyAddress(this);">
< name="email" type="text">
< type="submit">
</form>
</body>
</html>
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