javascript进行百度换肤 和显示隐藏一个窗口的操作

简单的运用javascript来进行百度换肤的操作

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>百度换肤</title>
    <style>
        *{
            padding:0;
            margin:0;
        }
        body{
            width:100%;
            background:url('../js/2.jpg') no-repeat   center 0;
            background-size:cover;//自适应屏幕大小
        }
        .box{
            width:100%;
            padding-top:40px;
            background-color: rgb(255,0,0,0.3);
            text-align: center;
        }
        .box img{
            width:100px;
        }
    </style>
</head>
<body>
<div class="box">
    <img src="../js/2.jpg" alt="" id="pic1">
    <img src="../js/1.jpg" alt="" id="pic2">
    <img src="../js/3.jpg" alt="" id="pic3">
    <img src="../js/4.jpg" alt="" id="pic4">
    <img src="../js/5.jpg" alt="" id="pic5">
</div>
<script type="text/javascript">
    window.onload = function(){
        var oimg1 = document.getElementById('pic1');
        var oimg2 = document.getElementsByTagName('img')[1];//获取父类中的下标为1的元素
        var oimg3 = document.getElementById('pic3');
        var oimg4 = document.getElementsByTagName('img')[3];
        var oimg5 = document.getElementById('pic5');
        oimg1.onclick = function(){
            console.log(this); //this代表当前本身
            document.body.style.backgroundImage = "url(../js/2.jpg)";//设置你点击的时候的图片
            //下面是改变自己变大的同时让别的缩小
            this.style.width ='200px'; //设置这个js中的图片大小
            oimg2.style.width = '100px'; //动态的别的变大这个变小
            oimg3.style.width = '100px';
            oimg4.style.width = '100px';
            oimg5.style.width = '100px';

        }
        oimg2.onclick = function(){
            console.log(this);
            document.body.style.backgroundImage = "url('../js/1.jpg')";
            this.style.width = '200px';
            oimg1.style.width ='100px';
            oimg3.style.width = '100px';
            oimg4.style.width = '100px';
            oimg5.style.width = '100px';

        }
        oimg3.onclick = function(){
            console.log(this);
            // document.style.backgroundImage = "url('../js/3.jpg')";
            document.body.style.backgroundImage = "url(../js/3.jpg)";
            this.style.width = '200px';
            oimg1.style.width = '100px';
            oimg2.style.width = '100px';
            oimg4.style.width = '100px';
            oimg5.style.width = '100px';

        }
        oimg4 .onclick = function(){
            console.log(this);
            document.body.style.backgroundImage = "url(../js/4.jpg)";
            this.style.width = '300px';
            oimg1.style.width = '100px';
            oimg2.style.width = '100px';
            oimg3.style.width = '100px';
            oimg5.style.width = '100px';
        }
        oimg5.onclick = function(){
            document.body.style.backgroundImage = "url(../js/5.jpg)";
            this.style.width = '200px';
            oimg1.style.width = '100px';
            oimg2.style.width = '100px';
            oimg3.style.width = '100px';
            oimg4.style.width = '100px';
        }
        
    }
</script>
</body>
</html>

 

 

显示隐藏一个窗口界面：

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>隐藏显示</title>
    <style>
        .show{
            height:200px;
            width:200px;
            background-color: red;
        }
    </style>
</head>
<body>
<div class="box">
    <button>隐藏</button>
    <div class="show" id = 'heizi'></div>

</div>
<script>
    window.onload = function(){
        var heizi = document.getElementById('heizi');
        var isShow = true;
        document.getElementsByTagName('button')[0].onclick = function(){//先以第一个元素来进行判定
            console.log(this);
            if(isShow){
                heizi.style.display = 'none';
                this.innerText = '显示';
                isShow = false;
            }else{
                heizi.style.display = 'block';
                this.innerText = '隐藏';
                isShow = 'true';
            }
        }
    }
</script>

</body>
</html>
显示隐藏窗口界面

 

posted @ 2018-05-29 21:21  可爱的红领巾  阅读(449)  评论(0)    收藏  举报