cookie实例 记住用户名密码

账号：<input type="text" id="username" />
		密码: <input type="password" id="pwd" />
		
		<input type="checkbox" name="check" id="check" value=""/>
		记住账号密码
		<input type="button" name="" id="login" value="登录" />

　　

<script>
			var oDate = new Date("2016/3/1,9:30:00");
			document.cookie = 'username=ketty;expires='+oDate;
			
			var btn = document.getElementById("login");
			var ocheck = document.getElementById("check")
			var uer = document.getElementById("username");
			var pwd = document.getElementById("pwd");

			
			btn.onclick = function(){
//				console.log(ocheck.checked)//false 或者true
				var oDate = new Date("2016/3/1,10:30:00");
				if(ocheck.checked)
				{
					document.cookie = "username="+uer.value+"expires="+oDate;
					document.cookie= "password="+pwd.value+"expires="+oDate;
				}
			}
			// password=123123213123123expiresexpires=Tue Mar 01 2016 10:30:00 GMT+0800 (中国标准时间); username=ketty
			console.log(document.cookie);
			
			var reg =/\s+/;
			var cookies = document.cookie.replace(reg,"");
			
			var cookiesArr = cookies.split(";");
			for(var i = 0 ; i < cookiesArr.length;i++)
			{
				var attArr = cookiesArr[i].split("=");
				if(attArr[0] == "username")
				{
					uer.value = attArr[1];
				}
				if(attArr[0] == "password")
				{
					pwd.value= attArr[1];
				}
			}
		</script>