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我正在尝试向我的网页添加侧边栏导航面板。使用js html和css做它。当我第一次加载页面时，它甚至在单击图标打开它之前显示侧边栏。如何防止第一次加载页面时自动打开侧边栏？提前致谢！！！代码如下...侧边栏显示第一次加载页面的时间
$(document).ready(function(){
$(".fa-times").click(function(){
$(".sidebar_menu").addClass("hide_menu");
$(".toggle_menu").addClass("opacity_one");
});
$(".toggle_menu").click(function(){
$(".sidebar_menu").removeClass("hide_menu");
$(".toggle_menu").removeClass("opacity_one");
});
});/*side navigation bar*/
.toggle_menu{
cursor:pointer;
z-index: 1000000;
opacity: 0;
}
.sidebar_menu{
position: fixed;
width: 20em;
margin-left: 0px;
overflow: hidden;
height: 100vh;
max-height: 100vh;
background-color: rgba(17,17,17,0.9);
opacity: 0.9;
transition: all 0.3s ease-in-out;
left:0px;
}
.fa-times{
right: 1em;
top : 1em;
opacity: 0.7;
cursor: pointer;
position: absolute;
color: #8bea8b;
transition: all 0.3s ease-in-out;
}
.fa-times:hover{
opacity: 1;
}
.hide_menu{
margin-left: -20em;
}
.opacity_one{
opacity: 1;
transition: all 0.3s ease-in-out;
}<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html lang="en">
<head>
<title>Forestpin</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="fullpage/jquery.fullPage.css" />
<link rel="stylesheet" type="text/css" href="theme.css">
<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<!-- This following line is optional. Only necessary if you use the option css3:false and you want to use other easing effects rather than "linear", "swing" or "easeInOutCubic". -->
<script src="fullpage/vendors/jquery.easings.min.js"></script>
<!-- This following line is only necessary in the case of using the option `scrollOverflow:true` -->
<script type="text/javascript" src="fullpage/vendors/scrolloverflow.min.js"></script>
<script type="text/javascript" src="fullpage/jquery.fullPage.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script type="text/javascript" src="sidemenu.js"></script>
</head>
<body>
<!--top navigation bar-->
<nav class="navbar navbar-default header navbar-fixed-top">
<div class="container-fluid">
<div class="navbar-header">
<a class="navbar-brand" href="#">
<img alt="Brand" src="images/logofpin.png" id="logofpin">
</a>
<img alt="Logo" src="images/logo2.png" class="navbar-brand toggle_menu" id="logo2">
<div class="sidebar_menu">
<i class="fa fa-times"></i>
</div>
</div>
</div>
</nav>
哪来的按钮打开侧边菜单？ –