How to use css and class methods in jquery for style operations
The content of this article is to introduce cases about jQuery operation styles and changing styles. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you
jQuery operation style
class operation
(1)判断是否有样式类
hasClass(name)//name:用于判断的样式类名，返回值为true false
判断div是否有demo的样式类
$(“div”).hasClass(“demo”)
(2)添加样式类
addClass(name)//name指需要添加的样式类名，注意参数不要带点.
//给div添加demo的样式。
$(“div”).addClass(“demo”);
(3)移除样式类
removeClass("name")//name:需要移除的样式类名
//移除div中demo的样式
$(“div”).removeClass(“demo”);css operation (the operation is style Attributes)
(1)获取样式
css(name)//name:需要获取的样式名称
//获取div的背景颜色属性
$("div").css("background-color");
注意：获取样式操作只会返回第一个元素对应的样式值。
(2)设置单个样式
css(name,value)//name：需要设置的样式名称,value：对应的样式值
//给一个div标签的背景修改成红色
$("div").css("background","red");
（3）设置多个样式
css(obj)//参数是一个对象，对象中包含了需要设置的样式名和样式值
//例如
$("#one").css({
"background":"gray",
"width":"400px",
"height":"200px"
});Case sharing: interlaced color change
Change the background color through css operations and class operations in jQuery
<!DOCTYPE html>
<html>
<head><meta charset="UTF-8"></head>
<body>
<style>
*{
padding: 0;
margin:0;
}
ul{list-style: none;
}
li{
width:300px;
height:30px;
background-color:rgb(14,150,249);
}
.even{
background-color:rgb(241,70,215);
}
</style>
<ul>
<li>第一个</li>
<li>第二个</li>
<li>第三个</li>
<li>第四个</li>
<li>第五个</li>
<li>第六个</li>
</ul>
<script src="jquery/jquery-1.12.4.js"></script>
<script>
$(function(){
//给奇数的li修改背景颜色
$("li:odd").css("backgroundColor","pink");
//给偶数的li添加even类
$("li:even").addClass('even');
});
</script>
</body>
</html>Rendering:
##Summary: The above is this article The content, I hope it will be helpful for everyone to learn jQuery content.
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