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>
