[notice-block]

<!DOCTYPE html>

<head>
    <meta charset="utf-8">
    <title></title>
    <style type="text/css">
        .box{
            width: 400px;
            border-bottom: 1px solid #CCCCCC ;
            margin: 100px auto;
            position: relative;
        }
        .box input{
            width: 370px;
            height: 30px;
            border: 0;
            outline: none;
        }
        label img{
            width: 24px;
            position: absolute;/*绝对定位*/
            top: 2px;
            right: 2px;
            
            
        }
    </style>
</head>
<body>
    <div class="box">
        <label for="">
            <img src="./close.png" alt="" id="eye">
        </label>
        <input type="password" name="" id="pwd"/>
    </div>
    <script type="text/javascript">
        let flag=0;
        var eye=document.getElementById('eye');
        var pwd=document.getElementById('pwd');
         eye.onclick=function(){
            if(flag==false){
                pwd.type='text';
                eye.src='./open.png';
                flag=!flag;
            }else{
                pwd.type='password';
                eye.src='./close.png';
                flag=!flag;
            }
            
        }
    </script>
</body>

[/notice-block]

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