【HTML】输入密码访问

<script>
(function(){
    if('{{ page.password }}'){
        if (prompt('请输入文章密码') !== '{{ page.password }}'){
            alert('密码错误！');
            history.back();
        }
    }
})();
</script>

代码一：
<script type="text/javascript">   
function password() {   
var testV = 1;   
var pass1 = prompt('请输入密码','');   
while (testV < 3) {   
if (!pass1)   
history.go(-1);   
if (pass1 == "123") {//初始密码123   
alert('密码正确!');   
break;   
}   
testV+=1;   
var pass1 =   
prompt('密码错误!请重新输入:');   
}   
if (pass1!="password" & testV ==3)   
history.go(-1);   
return " ";   
}   
document.write(password());   
</script>  
 
 
代码二：
<script type="text/javascript">   
function password() {   
var testV = 1;   
var pass1 = prompt('Sorry,该页只限熟人浏览,请输入密码:','');   
while (testV < 3) {   
if (!pass1)    
history.go(-1);   
if (pass1 == "123") {//初始密码123   
alert('一看你就是自己人，口令正确!');   
window.location.href="http://www.aeink.com";//修改需要密码认证的网页   
break;   
}    
testV+=1;   
var pass1 =    
prompt('朋友，密码不对！:(','');   
}   
if (pass1!="password" & testV ==3)    
history.go(-1);   
return " ";   
}    
document.write(password());   
</script>  
 
 
 
代码三：
<script type="text/javascript">   
loopy()   
function loopy() {   
var sWord =""  
while (sWord != "123") {//初始密码123   
sWord = prompt("输入正确密码才能登陆!")   
}   
alert("AH…欢迎光临！")   
}   
</script>  
 
 
把上述代码加到网页头部模版 /head 标签前即可.