一分钟记时（短信发送） _Web前端

一分钟倒计时（短信发送）
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> 一分钟倒计时（短信发送） </title>
  <meta name="Generator" content="EditPlus">
 </head>
 <body>
  <script type="text/javascript">
  <!--
	function sendMobileCode(){
		send();
	}
	var i = 6;
	function send(){
		
		i--;
		if (i == -1) {
			document.getElementById("sendMobileCode").disabled = "";
			i = 6;
			document.getElementById("mobileCodeMsg").innerHTML = "";
			return null;
		}
		document.getElementById("sendMobileCode").disabled = "disabled";
		document.getElementById("mobileCodeMsg").innerHTML = "发送成功, (" + i + "秒后)可重新发送验证码";
		setTimeout("send();", 1000);
	}
  //-->
  </script>

  手机号码：<input type="text" name="mobile" /><br />
  验证码：<input type="text" name="mobileCode" /><br />
  <input type="button" onclick="sendMobileCode()" value="发送" id="sendMobileCode"/><span id="mobileCodeMsg"></span>
 </body>
</html>