如图所示操作代码即可：
登录页面实现记住用户名和密码功能的方法：
1、使用cookie的方法将用户名和密码保存到本地电脑上；
2、PS在页面载入时获取cookie；
3、在勾选时设置一个cookie的有效时间就可以了。
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第1个回答 2015-11-03
<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
账号:<input>
密码:<input>
记住密码:<input type="checkbox">
<button onclick="fn()">登录</button>
<script>
var user = document.getElementsByTagName("input")[0],
pass = document.getElementsByTagName("input")[1],
check = document.getElementsByTagName("input")[2],
loUser = localStorage.getItem("user") || "";
loPass = localStorage.getItem("pass") || "";
user.value = loUser;
pass.value = loPass;
if(loUser !== "" && loPass !== ""){
check.setAttribute("checked","");
}
function fn(){
if(check.checked){
localStorage.setItem("user",user.value);
localStorage.setItem("pass",pass.value);
}else{
localStorage.setItem("user","");
localStorage.setItem("pass","");
}
}
</script>
</body>
</html>本回答被网友采纳
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
账号:<input>
密码:<input>
记住密码:<input type="checkbox">
<button onclick="fn()">登录</button>
<script>
var user = document.getElementsByTagName("input")[0],
pass = document.getElementsByTagName("input")[1],
check = document.getElementsByTagName("input")[2],
loUser = localStorage.getItem("user") || "";
loPass = localStorage.getItem("pass") || "";
user.value = loUser;
pass.value = loPass;
if(loUser !== "" && loPass !== ""){
check.setAttribute("checked","");
}
function fn(){
if(check.checked){
localStorage.setItem("user",user.value);
localStorage.setItem("pass",pass.value);
}else{
localStorage.setItem("user","");
localStorage.setItem("pass","");
}
}
</script>
</body>
</html>本回答被网友采纳
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