JavaScript基础学习 显示隐藏明文密码案例

    
    
    
    Document

    
        .box {
            width: 400px;
            position: relative;
            border-bottom: 1px solid #ccc;
            margin: 100px auto;
        }
        
        .box input {
            width: 370px;
            height: 30px;
            border: 0;
            outline: none;
        }
        
        .box img {
            position: absolute;
            width: 24px;
            top: 10px;
            right: 5px;
        }
    






    

        
            
        
        

    


    
        var inp = document.querySelector('input');
        var img = document.querySelector('img');
        var flag = 0;
        img.onclick = function() {
            if (flag == 0) {
                img.src = 'image/ceye.jpg';
                inp.type = 'text';
                flag = 1;
            } else {
                img.src = 'image/eye.jpg';
                inp.type = 'password';
                flag = 0;
            }
        }