jquery - 为什么当菜单完全展开并且我在移动设备上向下滚动时菜单会折叠-6ren

jquery - 为什么当菜单完全展开并且我在移动设备上向下滚动时菜单会折叠

转载作者：行者123 更新时间：2023-11-28 15:20:30

26

4

我想知道为什么当菜单完全展开时以及在移动设备上向下滚动时菜单实际上会折叠。请帮忙。链接到该站点，请注意我还没有做太多。 explorenewzealand.net如果需要，我会把代码放在下面。只要问，我会评论你想要的代码。非常感谢，如有任何帮助，我们将不胜感激

HTML:

<!DOCTYPE html>
<html>
<html lang="en">
<head>

    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
     <meta name="viewport" content="width=device-width, initial-scale=1">

        <link rel="stylesheet" href="style.css">
    <meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
    <script src="http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>
   <script src="script.js"></script>
    <link rel="stylesheet" type="text/css" href="style.css"> 
    <title>Home|Tourist Advice|Explore New Zealand</title>
    <link rel="stylesheet" type="text/css" href="styles.css" media="screen" />
<meta name="viewport" content="width=device-width, user-scalable=no">


    </head>
<body>

<div id='cssmenu'>
<ul>
    <li class="active"><a href=""><span>Home</span></a></li>
    <li class="has-sub"><a href="aboutnewzealand.html"><span>About New Zealand</span></a>
    <ul>
        <li class="has-sub"><a href="#"><span>South Island</span></a>
        <ul>
            <li><a href="aboutnewzealand/marlborough.html"><span>Marlborough</span></a></li>
            <li><a href="aboutnewzealand/nelson.html"><span>Nelson</span></a></li>
            <li><a href="aboutnewzealand/westcoast.html"><span>West Coast</span></a></li>
            <li><a href="aboutnewzealand/canterbury.html"><span>Canterbury</span></a></li>
            <li><a href="aboutnewzealand/queenstown-lakes.html"><span>Queenstown Lakes</span></a></li>
            <li><a href="aboutnewzealand/fiordland.html"><span>Fiordland</span></a></li>
            <li><a href="aboutnewzealand/otago.html"><span>Otago</span></a></li>
            <li class="last"><a href="aboutnewzealand/southland.html"><span>Southland</span></a></li>
        </ul>
        </li>
    </ul>
    </li>
    <li class="has-sub"><a href="accommodation.html"><span>Accommodation</span></a>
    <ul>
        <li class="has-sub"><a href="#"><span>South Island </span></a>
        <ul>
            <li><a href="accommodation/marlborough.html"><span>Marlborough</span></a></li>
            <li><a href="accommodation/nelson.html"><span>Nelson</span></a></li>
            <li><a href="accommodation/westcoast.html"><span>West Coast</span></a></li>
            <li><a href="accommodation/canterbury.html"><span>Canterbury</span></a></li>
            <li><a href="accommodation/queenstown-lakes.html"><span>Queenstown Lakes</span></a></li>
            <li><a href="accommodation/fiordland.html"><span>Fiordland</span></a></li>
            <li><a href="accommodation/otago.html"><span>Otago</span></a></li>
            <li class="last"><a href="accommodation/southland.html"><span>Southland</span></a></li>
        </ul>
        </li>
    </ul>
    </li>
    <li class="has-sub"><a href="attractions.html"><span>Attractions &amp; Activities</span></a>
    <ul>
        <li class="has-sub"><a href="#"><span>South Island </span></a>
        <ul>
            <li><a href="attractions&amp;activities/marlborough.html"><span>Marlborough</span></a></li>
            <li><a href="attractions&amp;activities/nelson.html"><span>Nelson</span></a></li>
            <li><a href="attractions&amp;activities/westcoast.html"><span>West Coast</span></a></li>
            <li><a href="attractions&amp;activities/canterbury.html"><span>Canterbury</span></a></li>
            <li><a href="attractions&amp;activities/queenstown-lakes.html"><span>Queenstown Lakes</span></a></li>
            <li><a href="attractions&amp;activities/fiordland.html"><span>Fiordland</span></a></li>
            <li><a href="attractions&amp;activities/otago.html"><span>Otago</span></a></li>
            <li class="last"><a href="attractions&amp;activities/southland.html"><span>Southland</span></a></li>
        </ul>
        </li>
    </ul>
    </li>
    <li class="has-sub last"><a href="dining.html"><span>Dining</span></a>
    <ul>
        <li class="has-sub"><a href="#"><span>South Island </span></a>
        <ul>
            <li><a href="dining/marlborough.html"><span>Marlborough</span></a></li>
            <li><a href="dining/nelson.html"><span>Nelson</span></a></li>
            <li><a href="dining/westcoast.html"><span>West Coast</span></a></li>
            <li><a href="dining/canterbury.html"><span>Canterbury</span></a></li>
            <li><a href="dining/queenstown-lakes.html"><span>Queenstown Lakes</span></a></li>
            <li><a href="fiordland.html"><span>Fiordland</span></a></li>
            <li><a href="otago.html"><span>Otago</span></a></li>
            <li class="last"><a href="southland.html"><span>Southland </span></a></li>
        </ul>
        </li>
    </ul>
    </li>
</ul>
</div>

</body>
</html>

CSS:

@import url(http://fonts.googleapis.com/css?family=Open+Sans:400,700);
#cssmenu,
#cssmenu ul,
#cssmenu ul li,
#cssmenu ul li a,
#cssmenu #menu-button {
  margin: 0;
  padding: 0;
  border: 0;
  list-style: none;
  line-height: 1;
  display: block;
  position: relative;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}
#cssmenu:after,
#cssmenu > ul:after {
  content: ".";
  display: block;
  clear: both;
  visibility: hidden;
  line-height: 0;
  height: 0;
}
#cssmenu #menu-button {
  display: none;
}
#cssmenu {
  width: auto;
  border-radius: 5px;
  font-family: 'Open Sans', Helvetica, sans-serif;
  background: #3db2e1;
  background: -o-linear-gradient(top, #69c4e8, #21a1d4);
  background: -ms-linear-gradient(top, #69c4e8, #21a1d4);
  background: -webkit-linear-gradient(top, #69c4e8, #21a1d4);
  background: -moz-linear-gradient(top, #69c4e8, #21a1d4);
  background: linear-gradient(to bottom, #69c4e8, #21a1d4);
  box-shadow: inset 0 -3px 0 #1f97c7, inset 0 -3px 3px #1f9acc, inset 0 2px 2px #9ad7ef, inset 1px 0 2px #22a4d9, inset -1px 0 2px #22a4d9, 0 1px 1px rgba(0, 0, 0, 0.1), 0 2px 2px rgba(0, 0, 0, 0.06), 0 3px 3px rgba(0, 0, 0, 0.17), 2px 1px 2px rgba(0, 0, 0, 0.05), -2px 1px 2px rgba(0, 0, 0, 0.05);
}
#cssmenu.align-center > ul {
  font-size: 0;
  text-align: center;
}
#cssmenu.align-center ul ul {
  text-align: left;
}
#cssmenu.align-center > ul > li {
  display: inline-block;
  float: none;
}
#cssmenu.align-right > ul > li {
  float: right;
}
#cssmenu.align-right ul ul {
  text-align: right;
}
#cssmenu > ul > li {
  float: left;
}
#cssmenu > ul > li > a {
  padding: 20px 25px;
  font-size: 13px;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
  font-weight: 700;
  text-decoration: none;
  -webkit-transition: color .2s ease;
  -moz-transition: color .2s ease;
  -ms-transition: color .2s ease;
  -o-transition: color .2s ease;
  transition: color .2s ease;
}
#cssmenu > ul > li:hover > a,
#cssmenu > ul > li > a:hover,
#cssmenu > ul > li.active > a {
  color: #cae5fd;
}
#cssmenu > ul > li.has-sub > a {
  padding-right: 40px;
}
#cssmenu ul > li.has-sub > a:after {
  content: '';
  position: absolute;
  right: 5px;
  top: 17.5px;
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 9px;
  background: #3db2e1;
  background: -webkit-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -ms-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -moz-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -o-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: linear-gradient(to bottom, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  box-shadow: inset 0 -1px 1px #209ed0, inset 0 2px 1px #7fcceb;
  background-size: 36px 36px;
  background-position: 0 0;
  background-repeat: no-repeat;
  -webkit-transition: all 0.1s ease-out;
  -moz-transition: all 0.1s ease-out;
  -ms-transition: all 0.1s ease-out;
  -o-transition: all 0.1s ease-out;
  transition: all 0.1s ease-out;
}
#cssmenu ul > li.has-sub:hover > a:after {
  background-position: 0 -18px;
}
#cssmenu ul > li.has-sub > a:before {
  content: '';
  position: absolute;
  right: 11px;
  top: 25.5px;
  display: block;
  width: 0;
  height: 0;
  border: 3px solid transparent;
  border-top-color: #ffffff;
  z-index: 99;
}
#cssmenu ul > li.has-sub:hover > a:before {
  border-top-color: #19799f;
}
#cssmenu ul ul {
  position: absolute;
  left: -9999px;
  opacity: 0;
  -webkit-transition: top .2s ease, opacity .2s ease;
  -moz-transition: top .2s ease, opacity .2s ease;
  -ms-transition: top .2s ease, opacity .2s ease;
  -o-transition: top .2s ease, opacity .2s ease;
  transition: top .2s ease, opacity .2s ease;
}
#cssmenu > ul > li > ul {
  top: 91px;
  padding-top: 8px;
  border-radius: 5px;
}
#cssmenu > ul > li:hover > ul {
  left: auto;
  top: 51px;
  opacity: 1;
}
#cssmenu.align-right > ul > li:hover > ul {
  right: 0;
}
#cssmenu ul ul ul {
  top: 40px;
}
#cssmenu ul ul > li:hover > ul {
  top: 0;
  left: 178px;
  padding-left: 10px;
  opacity: 1;
}
#cssmenu.align-right ul ul > li:hover > ul {
  left: auto;
  right: 178px;
  padding-left: 0;
  padding-right: 10px;
  opacity: 1;
}
#cssmenu ul ul li a {
  width: 180px;
  padding: 12px 25px;
  font-size: 13px;
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
  color: #ffffff;
  text-decoration: none;
  background: #3db2e1;
  -webkit-transition: color .2s ease;
  -moz-transition: color .2s ease;
  -ms-transition: color .2s ease;
  -o-transition: color .2s ease;
  transition: color .2s ease;
}
#cssmenu ul ul li:hover > a,
#cssmenu ul ul li > a:hover,
#cssmenu ul ul li.active > a {
  color: #cae5fd;
}
#cssmenu ul ul li:first-child > a {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  box-shadow: inset 0 2px 2px #88d0ed;
}
#cssmenu ul ul li:last-child > a {
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  box-shadow: inset 0 -3px 0 #27a9de, inset 0 -3px 3px #1f9acc, 0 1px 1px rgba(0, 0, 0, 0.03), 0 2px 2px rgba(0, 0, 0, 0.05), 0 2px 3px rgba(0, 0, 0, 0.13);
}
#cssmenu ul ul > li.has-sub > a:after {
  right: 12px;
  top: 9.5px;
  background: #3db2e1;
  background: -webkit-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -ms-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -moz-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: -o-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  background: linear-gradient(to bottom, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
  box-shadow: inset 0 -1px 1px #209ed0, inset 0 2px 1px #7fcceb;
  background-size: 36px 36px;
  background-position: 0 0;
  background-repeat: no-repeat;
}
#cssmenu.align-right ul ul > li.has-sub > a:after {
  right: auto;
  left: 12px;
}
#cssmenu ul ul > li.has-sub:hover > a:after {
  background-position: 0 -18px;
}
#cssmenu ul ul > li.has-sub > a:before {
  top: 15.5px;
  right: 16px;
  border-top-color: transparent;
  border-left-color: #ffffff;
}
#cssmenu.align-right ul ul > li.has-sub > a:before {
  top: 15.5px;
  right: auto;
  left: 16px;
  border-top-color: transparent;
  border-right-color: #ffffff;
  border-left-color: transparent;
}
#cssmenu ul ul > li.has-sub:hover > a:before {
  border-top-color: transparent;
  border-left-color: #1c89b5;
}
#cssmenu.align-right ul ul > li.has-sub:hover > a:before {
  border-top-color: transparent;
  border-left-color: transparent;
  border-right-color: #1c89b5;
}
@media all and (max-width: 768px), only screen and (-webkit-min-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (min--moz-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (-o-min-device-pixel-ratio: 2/1) and (max-width: 1024px), only screen and (min-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (min-resolution: 192dpi) and (max-width: 1024px), only screen and (min-resolution: 2dppx) and (max-width: 1024px) {
  #cssmenu {
    width: 100%;
  }
  #cssmenu ul,
  #cssmenu ul ul,
  #cssmenu ul ul ul,
  #cssmenu > ul,
  #cssmenu.align-center > ul,
  #cssmenu > ul > li > ul,
  #cssmenu > ul > li:hover > ul,
  #cssmenu ul ul li:hover > ul,
  #cssmenu ul ul ul li:hover > ul,
  #cssmenu.align-right ul ul,
  #cssmenu.align-right ul ul li:hover > ul,
  #cssmenu.align-right ul ul ul li:hover > ul {
    position: relative;
    left: 0;
    right: auto;
    top: 0;
    width: 100%;
    display: none;
    padding: 0;
    opacity: 1;
    text-align: left;
  }
  #cssmenu ul li {
    width: 100%;
    border-top: 1px solid rgba(120, 120, 120, 0.2);
  }
  #cssmenu > ul > li > a,
  #cssmenu ul ul li a,
  #cssmenu ul ul li:first-child > a,
  #cssmenu ul ul li:last-child > a {
    width: 100%;
    border-radius: 0;
    box-shadow: none;
    background: none;
  }
  #cssmenu ul li a {
    padding-left: 12.5px;
  }
  #cssmenu ul ul li a {
    padding: 14px 25px 14px 27.5px;
  }
  #cssmenu ul ul ul li a {
    padding-left: 42.5px;
  }
  #cssmenu ul ul ul ul li a {
    padding-left: 57.5px;
  }
  #cssmenu > ul > li.has-sub > a:after,
  #cssmenu > ul > li.has-sub > a:before,
  #cssmenu ul ul li.has-sub > a:after,
  #cssmenu ul ul li.has-sub > a:before {
    display: none;
  }
  #cssmenu #menu-button {
    position: relative;
    display: block;
    padding: 20px;
    padding-left: 12.5px;
    cursor: pointer;
    font-size: 13px;
    color: #ffffff;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
  }
  #cssmenu .submenu-button {
    position: absolute;
    right: 0;
    display: block;
    width: 53px;
    height: 53px;
    border-left: 1px solid rgba(120, 120, 120, 0.2);
    z-index: 10;
    cursor: pointer;
  }
  #cssmenu ul ul .submenu-button {
    height: 41px;
  }
  #cssmenu ul .submenu-button:after,
  #cssmenu #menu-button:after {
    content: '';
    position: absolute;
    right: 12.5px;
    top: 12.5px;
    display: block;
    width: 28px;
    height: 28px;
    border-radius: 15px;
    background: #3db2e1;
    background: -webkit-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
    background: -ms-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
    background: -moz-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
    background: -o-linear-gradient(top, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
    background: linear-gradient(to bottom, #58bde5 0%, #4ab7e3 25%, #2babde 50%, #58bde5 75%, #4ab7e3 100%);
    box-shadow: inset 0 -1px 1px #209ed0, inset 0 2px 1px #7fcceb;
    background-size: 56px 56px;
    background-position: 0 0;
    background-repeat: no-repeat;
    -webkit-transition: all 0.1s ease-out;
    -moz-transition: all 0.1s ease-out;
    -ms-transition: all 0.1s ease-out;
    -o-transition: all 0.1s ease-out;
    transition: all 0.1s ease-out;
  }
  #cssmenu ul .submenu-button.submenu-opened:after,
  #cssmenu #menu-button.menu-opened:after {
    background-position: 0 -28px;
  }
  #cssmenu ul ul .submenu-button:after {
    top: 6.5px;
  }
  #cssmenu #menu-button:before,
  #cssmenu .submenu-button:before {
    content: '';
    position: absolute;
    right: 22.5px;
    top: 25.5px;
    display: block;
    width: 0;
    height: 0;
    border: 4px solid transparent;
    border-top-color: #ffffff;
    z-index: 99;
  }
  #cssmenu ul ul .submenu-button:before {
    top: 19.5px;
  }
  #cssmenu #menu-button.menu-opened:before,
  #cssmenu .submenu-button.submenu-opened:before {
    border-top-color: #19799f;
  }

}

.css3menu {
    width: 100%;
    margin: 0;
    padding: 3px 0 3px 0;
    list-style: none;
    background: #111;
    background: -moz-linear-gradient(
        top,
        #2da2de 0%,
        #2da2de 16%,
        #2da2de);
    background: -webkit-gradient(
        linear, left top, left bottom,
        from(#2da2de),
        color-stop(0.16, #2da2de),
        to(#2da2de));
    background: -ms-linear-gradient(
        top,
        #2da2de 0%,
        #2da2de 16%,
        #2da2de 100%);
    background: -o-linear-gradient(
        top,
        #2da2de 0%,
        #2da2de 16%,
        #2da2de 100%);
    background: linear-gradient(
        to bottom,
        #2da2de 0%,
        #2da2de 16%,
        #2da2de 100%);
    -moz-border-radius: 14px;
    -webkit-border-radius: 14px;
    border-radius: 14px;
    border: 0px solid #2795ce;
    -moz-box-shadow:
        0px 0px 3px rgba(0,0,0,0.0),
        inset 0px 0px 2px rgba(254,255,255,1);
    -webkit-box-shadow:
        0px 0px 3px rgba(0,0,0,0.0),
        inset 0px 0px 2px rgba(254,255,255,1);
    box-shadow:
        0px 0px 3px rgba(0,0,0,0.0),
        inset 0px 0px 2px rgba(254,255,255,1);
}
.css3menu li{
    float: left;
    padding: 0px 8px 0px 0px;
    position: relative;
}
.css3menu li:first-child{
    margin: 0 0 0 25px;
    border-left: 0px;
}
.css3menu li:last-child{
    border-right: 0px;
}
.css3menu li:hover{
    background: -moz-linear-gradient(
        top,
        rgba(255, 56, 92, 0.10) 0%,
        rgba(37, 139, 193, 0.10) 25%,
        rgba(45, 162, 222, 0.10) 50%,
        rgba(48, 180, 250, 0.10) 75%,
        rgba(48, 180, 250, 0.10));
    background: -webkit-gradient(
        linear, left top, left bottom,
        from(rgba(255, 56, 92, 0.10)),
        color-stop(0.25, rgba(37, 139, 193, 0.10)),
        color-stop(0.50, rgba(45, 162, 222, 0.10)),
        color-stop(0.75, rgba(48, 180, 250, 0.10)),
        to(rgba(48, 180, 250, 0.10)));
    background: -ms-linear-gradient(
        top,
        rgba(255, 56, 92, 0.10) 0%,
        rgba(37, 139, 193, 0.10) 25%,
        rgba(45, 162, 222, 0.10) 50%,
        rgba(48, 180, 250, 0.10) 75%,
        rgba(48, 180, 250, 0.10) 100%);
    background: -o-linear-gradient(
        top,
        rgba(255, 56, 92, 0.10) 0%,
        rgba(37, 139, 193, 0.10) 25%,
        rgba(45, 162, 222, 0.10) 50%,
        rgba(48, 180, 250, 0.10) 75%,
        rgba(48, 180, 250, 0.10) 100%);
    background: linear-gradient(
        to bottom,
        rgba(255, 56, 92, 0.10) 0%,
        rgba(37, 139, 193, 0.10) 25%,
        rgba(45, 162, 222, 0.10) 50%,
        rgba(48, 180, 250, 0.10) 75%,
        rgba(48, 180, 250, 0.10) 100%);
}
.css3menu li:active{
    background: rgba(255, 0, 0, 0.10);
}
.css3menu a{
    float: left;
    padding: 10px 10px;
    color: #999;
    font-family: Arial, Helvetica, sans-serif;
    color: #ffffff;
    font-size: 16px;
    text-decoration: none;
    text-shadow:
        0px 0px 0px rgba(0,0,0,0.6),
        0px 0px 7px rgba(254,255,255,0.1);
}
.css3menu a:hover{
    color: #ffffff;
}
.css3menu a:active{
    color: #ffffff;
}
.css3menu li:hover > ul{
    display: block;
}
.css3menu li:active > ul{
    display: block;
}
.css3menu ul{
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    position: absolute;
    top: 36px;
    left: 0;
    z-index: 99999;
    background: -moz-linear-gradient(
        top,
        #ffffff 0%,
        #ebf4c3);
    background: -webkit-gradient(
        linear, left top, left bottom,
        from(#ffffff),
        to(#ebf4c3));
    background: -ms-linear-gradient(
        top,
        #ffffff 0%,
        #ebf4c3 100%);
    background: -o-linear-gradient(
        top,
        #ffffff 0%,
        #ebf4c3 100%);
    background: linear-gradient(
        to bottom,
        #ffffff 0%,
        #ebf4c3 100%);
    -moz-border-radius: 0 0 5px 5px;
    -webkit-border-radius: 0 0 5px 5px;
    border-radius: 0 0 5px 5px;
    border: 1px solid #6d8000;
}
.css3menu ul li{
    border-left: 0px;
    border-right: 0px;
    float: none;
    margin: 0;
    padding: 0;
    display: block;
    -moz-box-shadow: 0 1px 0 #111111, 0 1px 0 #777777;
    -webkit-box-shadow: 0 1px 0 #111111, 0 1px 0 #777777;
    box-shadow: 0 1px 0 #111111, 0 1px 0 #777777;
}
.css3menu ul li:first-child{
    padding-left: 0px;
    margin: 0;
}
.css3menu ul li:last-child{
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
}
.css3menu ul li:hover{
    background: rgba(255, 0, 0, 0.10);
}
.css3menu ul li:active{
    background: rgba(255, 0, 0, 0.10);
}
.css3menu ul a{
    color: #141414;
    padding: 10px;
    height: auto;
    line-height: 1;
    display: block;
    white-space: nowrap;
    float: none;
    text-transform: none;
    height: 16px;
    width: 180px;
}
.css3menu ul a:hover{
    color: #141414;
}
.css3menu ul a:active{
    color: #ffffff;
}
.css3menu ul li:first-child a{
    -moz-border-radius: 0;
    -webkit-border-radius: 0;
    border-radius: 0;
}
.css3menu ul li:first-child a:hover:after{
    border-bottom-color: #04acec;
}
.css3menu ul li:last-child a{
    -moz-border-radius: 0 0 5px 5px;
    -webkit-border-radius: 0 0 5px 5px;
    border-radius: 0 0 5px 5px;
}
.css3menu:after{
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}


.mainmenuicondata {
    line-height: 16px;
    float: left;
    padding-right: 10px;
}
.submenuicondata {
    line-height: 16px;
    float: left;
    padding-right: 10px;
}

.mainmenuicondata.icon1 {
    padding-right: 18px;
    background: url("bottom.png") no-repeat 0 -4px;
    background-size: 8px 8px;
    background-position: right center;
    min-height: 8px;
}

@media screen and (max-width: 682px){
    .css3menu a{
        display: inline-block;
        float: none;
        text-align: center;
    }
    .css3menu {
        text-align: center;
    }
    .css3menu > li{
        float: none;
        width: 60%;
        margin: 0 auto;
    }   
    .css3menu > li:first-child{
        margin: 0 auto;
    }
}

JQUERY:

(function($) {

  $.fn.menumaker = function(options) {

      var cssmenu = $(this), settings = $.extend({
        title: "Menu",
        format: "dropdown",
        sticky: false
      }, options);

      return this.each(function() {
        cssmenu.prepend('<div id="menu-button">' + settings.title + '</div>');
        $(this).find("#menu-button").on('click', function(){
          $(this).toggleClass('menu-opened');
          var mainmenu = $(this).next('ul');
          if (mainmenu.hasClass('open')) { 
            mainmenu.hide().removeClass('open');
          }
          else {
            mainmenu.show().addClass('open');
            if (settings.format === "dropdown") {
              mainmenu.find('ul').show();
            }
          }
        });

        cssmenu.find('li ul').parent().addClass('has-sub');

        multiTg = function() {
          cssmenu.find(".has-sub").prepend('<span class="submenu-button"></span>');
          cssmenu.find('.submenu-button').on('click', function() {
            $(this).toggleClass('submenu-opened');
            if ($(this).siblings('ul').hasClass('open')) {
              $(this).siblings('ul').removeClass('open').hide();
            }
            else {
              $(this).siblings('ul').addClass('open').show();
            }
          });
        };

        if (settings.format === 'multitoggle') multiTg();
        else cssmenu.addClass('dropdown');

        if (settings.sticky === true) cssmenu.css('position', 'fixed');

        resizeFix = function() {
          if ($( window ).width() > 768) {
            cssmenu.find('ul').show();
          }

          if ($(window).width() <= 768) {
            cssmenu.find('ul').hide().removeClass('open');
          }
        };
        resizeFix();
        return $(window).on('resize', resizeFix);

      });
  };
})(jQuery);

(function($){
$(document).ready(function(){

$("#cssmenu").menumaker({
   title: "Menu",
   format: "multitoggle"
});


});
})(jQuery);

最佳答案

查看该站点，它被称为响应能力 :)，我查看了 css 代码，这里是它的样子

    @media all and (max-width: 768px), only screen and (-webkit-min-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (min--moz-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (-o-min-device-pixel-ratio: 2/1) and (max-width: 1024px), only screen and (min-device-pixel-ratio: 2) and (max-width: 1024px), only screen and (min-resolution: 192dpi) and (max-width: 1024px), only screen and (min-resolution: 2dppx) and (max-width: 1024px) {
  #cssmenu {
    width: 100%;
  }
  #cssmenu ul,
  #cssmenu ul ul,
  #cssmenu ul ul ul,
  #cssmenu > ul,
  #cssmenu.align-center > ul,
  #cssmenu > ul > li > ul,
  #cssmenu > ul > li:hover > ul, ........

关于jquery - 为什么当菜单完全展开并且我在移动设备上向下滚动时菜单会折叠，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/35932829/

26

4

0

文章推荐： css - 水平样式嵌入的 Instagram 照片

文章推荐： javascript - Angularjs 的 ng-click 按钮功能

文章推荐： html - 在我的按钮中添加 CSS 过渡

jquery - 桌面上的非 Canvas 菜单，手机上的 Accordion 菜单 [Foundation 6.3]
使用 Foundation 6.3.1，我希望在桌面上显示 Canvas 外菜单，在移动设备上显示 Accordion 菜单。例如 This is the desktop view with a co
Javascript 菜单
function HideandUNhideObj(ThisObj) { var nav = document.getElementById(ThisObj).style if (nav.displ
JavaScript 菜单
我正在处理一个页面，该页面有一个显示“更新”的链接。当用户单击此链接时，我希望表单使用幻灯片效果并显示在链接下方。提交表单后，它会更新数据库，并且菜单会显示。我知道这可以用 JavaScript 来
带图标的 Gtk 菜单
这是我的运行时创建菜单的关键部分: GtkWidget *menu, *menu_item; menu = gtk_menu_new(); menu_item = gtk_image_menu_ite
Css3 donut 菜单
您好，我想实现一个像这样的 donut 菜单 http://dribbble.com/shots/610433-Wheel-Nav我知道有一种在 css3 中制作 donut 的简单方法。 .doug
SwiftUI 菜单 - 菜单实际打开时的操作
我的应用程序中有一个菜单，当菜单打开时我会触发触觉反馈(来自 onTagGesture Action )。然而有时当我点击菜单打开触发器时，菜单实际上不会打开，但我仍然收到触觉反馈。我只在菜单实际
悬停时带有边框半径的 CSS 菜单
也许这是一个简单的解决方案，但我坚持了下来。这里有我的代码 http://jsbin.com/ejomuv纯CSS菜单我想要做的是在悬停时在下拉按钮底部设置 0px 边框半径，但仅在下拉菜单上设置
controls - 寻找替代品或改进网站上的下拉列表/菜单
下拉列表、菜单和组合框都是非常常见的用户界面元素。用户习惯于在 native 应用程序和 Web 应用程序中看到这些元素，但它们存在一些问题。您必须瞄准鼠标。当您将鼠标移开时，有些菜单会折叠，而有些
基于角色的 Laravel 菜单？
我有 codeigniter 背景。现在，我正在学习 Laravel。所以，我处于这种情况(示例)，我正在尝试创建一个具有多个用户的 web 应用程序。用户类型 A ，他们可以访问菜单 a、菜单 b
显示一个框的 JQuery 菜单
我正在学习 JQuery 的基础知识，我的老师显示的 menu() 看起来根本不像我的。这是我创建的菜单的 LAF: 代码: Hello Hi Welcome World
jquery如何隐藏

首页

博学

6Ren·AI

商城

jquery - 为什么当菜单完全展开并且我在移动设备上向下滚动时菜单会折叠