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>