今天看了一段代码,是关于邮箱的验证的,怕自己忘记了,就写了一下,和大家分享一下
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			window.onload = function() {
			}
			function dianjishijian() {
				var x = document.getElementById("youxiang").value;
				var atpos = x.indexOf("@");
				var dotpos = x.lastIndexOf(".");
				if (atpos < 1 || dotpos < atpos + 2 || dotpos + 2 >= x.length) {
					alert("请输入正确的邮箱地址");
					return false;
				}
			}
		</script>
	</head>
	<body>
		<input type="text" name="youxiang" id="youxiang" value="" />
		<button id="" onclick="dianjishijian()">点击试试</button>
	</body>
</html>
原文地址:http://blog.csdn.net/li_li_lin/article/details/38872483