版权声明：进击的葱 https://blog.csdn.net/qlwangcong518/article/details/86537817
描述：
jquery的dom操作，实现事件
效果：
点击后其他不变化，点击的变化
代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="node_modules/jquery/dist/jquery.js"></script>
</head>
<body>
<script>
var bur=$("<li></li>")
.width(36)
.height(36)
.css("border","1px solid #000000")
.css("border-radius","36px")
.css("border-radius-color","#000000")
.css("float","left")
.css("margin-left","5px")
.on("click",function () {
$(this).css("background-color","rgba(255,0,0,0.5)")
$(this).siblings().css("background-color","rgba(255,0,0,0)")
});
for (var i=0;i<5;i++)
$("body").append($(bur).clone(true));
$("li").wrapAll($("<ul></ul>"));
$("ul").css("list-style","none");
</script>
</body>
</html>