刚学习的jQ让我崩溃了一个上午的if条件!!!!!!!
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
<script src="../js/jquery-1.10.2.js"></script>
<script type="text/javascript">
$(function(){
$("ul").css({"display": "none", "padding": "0"});
$("#d1").click(function () {
if ($("ul").css("display")== "none") //*********
原文:https://www.cnblogs.com/pyobbiwitwsai/p/9345786.html