1.html()取出或设置html内容
2.prop（）取出或设置某个属性的值
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>属性操作</title>
<script type="text/javascript" src="../jQuery库/jquery-3.3.1.min.js"></script>
<script type="text/javascript">
$(function(){
var $a = $('.link');
var $img = $('#img');
/*取出某个属性*/
console.log($a.prop('class'))
/*绝对地址*/
console.log($img.prop('src'));
/*设置属性*/
$a.prop({'href':'http://www.baidu.com','title':'百度网'});
/*在标签内写内容*/
$a.html('<em>3</em>');
})
</script></head>
<body>
<a href="#" class="link">链接</a>
<img src="../../js/images/小林子1.jpg" alt="nanzi" id="img"></body>
</html>
例子二：手风琴
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>手风琴</title>
<script type="text/javascript" src="../jQuery库/jquery-3.3.1.min.js"></script>
<script typt="text/javascript">
$(function(){
var $li = $('.accordion li');
$li.click(function(){
/*点击的li,左的位置*/
$(this).animate({'left':21*$(this).index()});
/*点击的li前面元素也跟着左移*/
$(this).prevAll().each(function(){
$(this).animate({'left':21*$(this).index()});
});
/*点击的li后面的元素左的位置*/
$(this).nextAll().each(function(){
$(this).animate({'left':497-21*(5-$(this).index())});
})
})
})
</script><style type="text/css">
.accordion{
width: 497px;
height: 506px;
float: left;
overflow: hidden;
position: relative;
left: 50%;
margin-left: -250px;
}
.accordion ul{
list-style: none;
padding: 0;
}
.accordion ul li{
width: 413px;
height: 506px;
display: inline-block;
float: left;
}
.accordion li span{
display: inline-block;
width: 20px;
height: 506px;
border-bottom: 1px solid #fff;
}
.accordion li img{
display: inline-block;
}
/*位置一*/
.accordion .pick1{
position: absolute;
top: 0;
background-color: #EF4B4E;
}
.accordion .pick1 span{
position: absolute;
top: 0;
}
.accordion .pick1 img{
position: absolute;
top: 0;
left: 21px;
}
/*位置二*/
.accordion .pick2{
position: absolute;
top: 0;
left: 413px;
background-color: #EC3AF1;
}
.accordion .pick2 span{
position: absolute;
top: 0;
}
.accordion .pick2 img{
position: absolute;
left: 21px;
}
/*位置三*/
.accordion .pick3{
position: absolute;
top: 0;
left: 434px;
background-color: #4866F5;
}
.accordion .pick3 span{
position: absolute;
top: 0;
}
.accordion .pick3 img{
position: absolute;
left: 21px;
}
/*位置四*/
.accordion .pick4{
position: absolute;
top: 0;
left: 455px;
background-color: #4DC1F1;
}
.accordion .pick4 span{
position: absolute;
top: 0;
}
.accordion .pick4 img{
position: absolute;
left: 21px;
}
/*位置五*/
.accordion .pick5{
position: absolute;
top: 0;
left: 476px;
background-color: #4CF750;
}
.accordion .pick5 span{
position: absolute;
top: 0;
}
.accordion .pick5 img{
position: absolute;
left: 21px;
}
</style></head>
<body>
<div class="accordion">
<ul>
<li class="pick1">
<span>小南子01</span><img src="../../js/images/小林子1.jpg" alt="nanzi">
</li>
<li class="pick2">
<span>小南子02</span><img src="../../js/images/小林子2.png" alt="nanzi">
</li>
<li class="pick3">
<span>小南子03</span><img src="../../js/images/小林子3.png" alt="nanzi">
</li>
<li class="pick4">
<span>小南子04</span><img src="../../js/images/小林子4.png" alt="nanzi">
</li>
<li class="pick5">
<span>小南子05</span><img src="../../js/images/小林子5.png" alt="nanzi">
</li>
</ul>
</div></body>
</html>
3.jQuery循环
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>循环</title>
<script type="text/javascript" src="../jQuery库/jquery-3.3.1.min.js"></script>
<script type="text/javascript">
$(function(a){
var $li = $('ul li');
/*循环each，获取每一个li*/
$li.each(function(){
if($(this).index()%2==0){
$(this).css({'backgroundColor':'gold'});
}
})
})
</script></head>
<body>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ul></body>
</html>
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