小弟最近在学习html，网站上找到一段不错的下拉页面的代码，但是搬过来却发现无法运行，想绕过js来解决问题也整不明白，找了一天没找出问题在哪里，希望大神能指点一下问题出在哪里！谢谢！
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<style>
@font-face {
font-family: 'Merriweather Sans';
font-style: italic;
font-weight: 800;
src: local('Merriweather Sans ExtraBold Italic'), local('MerriweatherSans-ExtraBldItalic'), url(http://fonts.gstatic.com/s/merriweathersans/v5/nAqt4hiqwq3tzCecpgPmVfrUSW10CwTuVx9PepRx9ls.woff2) format('woff2'), url(http://fonts.gstatic.com/s/merriweathersans/v5/nAqt4hiqwq3tzCecpgPmVW2xy75WLVt7UI7Cycabsy8.woff) format('woff');
}
@font-face {
font-family: "open";
font-style: normal;
font-weight: 300;
src: local( "Open Sans Light" ), local( "OpenSans-Light" ),
url( https://themes.googleusercontent.com/static/fonts/opensans/v6/DXI1ORHCpsQm3Vp6mXoaTZ1r3JsPcQLi8jytr04NNhU.woff ) format( 'woff' );
}
*, *:before, *:after {
-moz-box-sizing: border-box;
-webkit-box-sizing: border-box;
box-sizing: border-box;
}
a {
color: inherit;
text-decoration: none;
}
h1, h2, h3 {
margin: 0;
font-weight: normal;
}
html, body {
padding: 0;
margin: 0;
background: #eee;
}
body {
padding-top: 80px;
}
.section {
width: 400px;
margin: 7px auto;
height: 69px;
box-shadow: 0 1px 2px rgba( 0, 0, 0, .2 );
overflow: hidden;
-webkit-transition: .35s;
transition: .35s;
}
.title {
padding: 20px;
padding-top: 24px;
background: #00C37E;
color: #fff;
cursor: pointer;
text-shadow: 0 1px 0 #666;
width: 100%;
text-transform: capitalize;
font-family: 'Merriweather Sans', sans-serif;
font-style: italic;
position: relative;
-moz-user-select: none;
-ms-user-select: none;
-webkit-user-select: none;
user-select: none;
z-index: 10;
display:
}
.title:before, .title:after {
content: "";
display: block;
position: absolute;
right: 20px;
top: 21px;
font-style: normal;
height: 21px;
line-height: 1;
overflow: hidden;
font-family: FontAwesome;
font-size: 20px;
background: #00C37E;
-webkit-transition: .35s;
transition: .35s;
}
.title:before {
z-index: 2;
}
.title:after {
top: 25px;
-webkit-transform: rotate( 180deg );
-ms-transform: rotate( 180deg );
-moz-transform: rotate( 180deg );
transform: rotate( 180deg );
}
.open .title:before {
height: 0;
}
.body {
font: 16px open, sans-serif;
background: #fff;
padding: 20px 20px 40px;
color: #777;
-moz-transform: translateY( -100% );
-ms-transform: translateY( -100% );
-webkit-transform: translateY( -100% );
transform: translateY( -100% );
overflow: hidden;
-webkit-transition: .35s;
transition: .35s;
}
.body h2 {
color: #333;
font-size: 22px;
margin-bottom: 10px;
}
.body h2:before {
content: '▪';
padding-right: 7px;
color: #00C37E;
}
.body a {
color: #00C37E;
}
.body span {
font-size: 12px;
}
.section.open {
height: 288px;
}
.open .body {
-webkit-transform: none;
-ms-transform: none;
-moz-transform: none;
transform: none;
}
.section:hover .title{
display: block;
}
.section:hover .body{
display: block
}
.title:hover .body{
display: block
}
</style>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css" />
<title>无标题文档</title>
</head>
<body>
<div class="section">
<div class="title">click here</div>
<div class="body">
<h2>Just look at the arrow above</h2>
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
<br/>
<br/>
<span>Crafted by: <a href="http://linkedin.com/in/mrReiha">Reiha Hosseini</a></span>
</div>
</div>
<div class="section">
<div class="title">click here</div>
<div class="body">
<h2>Just look at the arrow above</h2>
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
<br/>
<br/>
<span>Crafted by: <a href="http://linkedin.com/in/mrReiha">Reiha Hosseini</a></span>
</div>
</div>
<div class="section">
<div class="title">click here</div>
<div class="body">
<h2>Just look at the arrow above</h2>
Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat.
<br/>
<br/>
<span>Crafted by: <a href="http://linkedin.com/in/mrReiha">Reiha Hosseini</a></span>
</div>
</div>
<script>
;!( function( w, d ) {
'use strict';
var titles = d.querySelectorAll( '.title' ),
i = 0,
len = titles.length;
for ( ; i < len; i++ )
titles[ i ].onclick = function( e ) {
for ( var j = 0; j < len; j++ )
if ( this != titles[ j ] )
titles[ j ].parentNode.className = titles[ j ].parentNode.className.replace( / open/i, '' );
var cn = this.parentNode.className;
this.parentNode.className = ~cn.search( /open/i ) ? cn.replace( / open/i, '' ) : cn + ' open';
};
})( this, document );
</script>
</body>
</html>
代码正常啊..你要用谷歌浏览器，这个代码不支持ie浏览器
HTML代码在浏览器执行，你可以按F12进行调试，看控制台有什么报错没有。
代码确实没有问题，可能是浏览器原因，谷歌浏览器应该可以了
代码没什么太大问题，可以正常运行，非说有问题就算是.title样式里有个display没给值。大概66行的位置
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