【问题标题】:Display active link en responsive menu在响应式菜单中显示活动链接
【发布时间】:2017-02-21 19:43:24
【问题描述】:

我在响应式菜单顶部显示活动链接时遇到问题,我希望它在选择时显示在顶部,它在选择时已经应用了活动 css 样式,但它没有在顶部显示,我不确定如何使它成为一个标签? 这是我的代码

CSS

@media screen and (max-width:768px) {
    ul.topnav li a {
        display: inline-block;
        color: #fff;
        text-align: center;
        padding: 20px 20px 20px 20px;
        height: auto;
        }   
    ul.topnav .active {
        color: #ee1921;
        border-bottom: none!important;
        font-size: 20px;
        }
    ul.topnav.responsive {
        position: relative;
        }
    ul.topnav.responsive li.icon {
        position: absolute;
        right: 0;
        top: 0;
        }
    ul.topnav.responsive li {
        float: none;
        display: inline;
        }
    ul.topnav.responsive li a {
        display: block;
        text-align: left;
        font-size: 20px;
        padding: 20px 20px 15px 20px;
        }
ul.topnav.responsive .active {
        border-bottom: 1px solid #fff;
        }
}

HTML

<ul class="topnav" id="myTopnav">
    <li><a class="navItem" href="FAQ-sports.html">Sports</a></li>
    <li><a href="FAQ-casino.html"  class="navItem">Casino</a></li>
    <li><a href="#Slots"  class="navItem">Slots</a></li>
    <li><a href="#Vegas"  class="navItem">Vegas</a></li>
    <li><a href="#Bingo"  class="active">Bingo</a></li>
    <li class="icon"><a href="javascript:void(0);" style="font-size:15px;" onclick="myFunction()">☰</a></li>
</ul><br><br>

jquery 脚本是:

<script>
function myFunction() {
    var x = document.getElementById("myTopnav");
    if (x.className === "topnav") {
        x.className += " responsive";
    } else {
        x.className = "topnav";
    }
}
</script>

【问题讨论】:

    标签: jquery css menu label responsive


    【解决方案1】:

    您可以在父级上使用display: flex; flex-direction: column;,将.active 类改为在li 上(使其成为flex-parent 的flex-child),然后将.active { order: -1; } 放置在@ 987654325@在列表的开头。

    function myFunction() {
        var x = document.getElementById("myTopnav");
        if (x.className === "topnav") {
            x.className += " responsive";
        } else {
            x.className = "topnav";
        }
    }
    @media screen and (max-width:768px) {
      ul.topnav li a {
        display: inline-block;
        color: #fff;
        text-align: center;
        padding: 20px 20px 20px 20px;
        height: auto;
      }
      ul.topnav .active a {
        color: #ee1921;
        border-bottom: none!important;
        font-size: 20px;
      }
      ul.topnav.responsive {
        position: relative;
      }
      ul.topnav.responsive li.icon {
        position: absolute;
        right: 0;
        top: 0;
      }
      ul.topnav.responsive li {
        float: none;
        display: inline;
      }
      ul.topnav.responsive li a {
        display: block;
        text-align: left;
        font-size: 20px;
        padding: 20px 20px 15px 20px;
      }
      ul.topnav.responsive .active a {
        border-bottom: 1px solid #fff;
      }
      .topnav {
        display: flex;
        flex-direction: column;
      }
      .active {
        order: -1;
      }
    }
    <ul class="topnav" id="myTopnav">
      <li><a class="navItem" href="FAQ-sports.html">Sports</a></li>
      <li><a href="FAQ-casino.html" class="navItem">Casino</a></li>
      <li><a href="#Slots" class="navItem">Slots</a></li>
      <li><a href="#Vegas" class="navItem">Vegas</a></li class="active">
      <li class="active"><a href="#Bingo" class="">Bingo</a></li>
      <li class="icon"><a href="javascript:void(0);" style="font-size:15px;" onclick="myFunction()">☰</a></li>
    </ul><br><br>

    【讨论】:

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