显示/隐藏多个Divs Javascript

Mic*_*ine 5 html

寻找一个好的JavaScript,以帮助我隐藏/显示多个div与一个按钮点击而不是一个点击,所以我可以在博客中使用它.我一直在寻找一段时间的答案,并且无法找到一个使用JavaScript和/或CSS的好答案.我是一个新手所以请耐心等待.以下是我的代码,但我想简化它并使其工作,以便当我再次单击相应的按钮时它将关闭div.

CSS

    <head>
    <style>
    #myDIV1 {
      width: 150px;
      height: 150px;
      background-color: lightblue;
      display: none;
    }


    #myDIV2 {
      width: 150px;
      height: 150px;
      background-color: lightblue;
      display: none;
    }


    #myDIV3 {
      width: 150px;
      height: 150px;
      background-color: lightblue;
      display: none;
    }


    #myDIV4 {
      width: 150px;
      height: 150px;
      background-color: lightblue;
      display: none;
    }

    </style>
    </head>
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我知道有一种更简单的方法,但这是我能找到的唯一方法,它适用于我希望它在大多数情况下做的事情

HTML

    <body>

      <p>Click button to see div.</p>

      <button onclick="myFunction1()">One</button>

      <button onclick="myFunction2()">Two</button>

      <button onclick="myFunction3()">Three</button>

      <button onclick="myFunction4()">Four</button>

    <div id="myDIV1">

      This is the div1 element.

    </div>

    <div id="myDIV2">

      This is the div2 element.

    </div>

    <div id="myDIV3">

      This is the div3 element.

    </div>

    <div id="myDIV4">

      This is the div4 element.

    </div>
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使用Javascript

    <script> 

      function myFunction1() {

        document.getElementById("myDIV1").style.display = "block";

        document.getElementById("myDIV2").style.display = "none";

        document.getElementById("myDIV3").style.display = "none";

        document.getElementById("myDIV4").style.display = "none";

    }

    function myFunction2() {

      document.getElementById("myDIV1").style.display = "none";

      document.getElementById("myDIV2").style.display = "block";

      document.getElementById("myDIV3").style.display = "none";

      document.getElementById("myDIV4").style.display = "none";

    }

    function myFunction3() {

      document.getElementById("myDIV1").style.display = "none";

      document.getElementById("myDIV2").style.display = "none";

      document.getElementById("myDIV3").style.display = "block";

      document.getElementById("myDIV4").style.display = "none";

    }

    function myFunction4() {

      document.getElementById("myDIV1").style.display = "none"; 

      document.getElementById("myDIV2").style.display = "none";

      document.getElementById("myDIV3").style.display = "none";

      document.getElementById("myDIV4").style.display = "block";

    }

    </script>
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任何帮助将不胜感激提前感谢.

roy*_*yki 6

我建议先将您的代码分开-然后将它更干净和可重用-如myStyle.cssmyScript.jsindex.html

cssjs文件添加到文件中,html例如-

<link rel="stylesheet" type="text/css" href="myStyle.css"> <script type="text/javascript" src="myScript.js"></script>

src->表示文件的源路径。在这里,我假设所有的cssjs“ html”文件都位于同一位置。

 var divs = ["Div1", "Div2", "Div3", "Div4"];
    var visibleDivId = null;
    function divVisibility(divId) {
      if(visibleDivId === divId) {
        visibleDivId = null;
      } else {
        visibleDivId = divId;
      }
      hideNonVisibleDivs();
    }
    function hideNonVisibleDivs() {
      var i, divId, div;
      for(i = 0; i < divs.length; i++) {
        divId = divs[i];
        div = document.getElementById(divId);
        if(visibleDivId === divId) {
          div.style.display = "block";
        } else {
          div.style.display = "none";
        }
      }
    }
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.buttons a {
  font-size: 16px;
}
.buttons a:hover {
  cursor:pointer; 
  font-size: 16px;
}
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<div class="main_div">
<div class="buttons">
<a href="#" onclick="divVisibility('Div1');">Div1</a> | 
<a href="#" onclick="divVisibility('Div2');">Div2</a> | 
<a href="#" onclick="divVisibility('Div3');">Div3</a> | 
<a href="#" onclick="divVisibility('Div4');">Div4</a>
</div>
<div class="inner_div">
<div id="Div1">I'm Div One</div>
<div id="Div2" style="display: none;">I'm Div Two</div>
<div id="Div3" style="display: none;">I'm Div Three</div>
<div id="Div4" style="display: none;">I'm Div Four</div>
</div>
</div>
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Lea*_*ner 1

如果你想同时隐藏/显示所有div,那么你必须为所有div提供相同的类,例如:.toggle,然后你可以这样做:

function myFunction1(){
    $(".toggle").slideToggle();
}
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如果你想一次隐藏/显示一个 div ,你可以使用 id 来做到这一点:

function myFunction1(){
    $("#myDIV1").slideToggle();
}
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有不同的按钮:

function myFunction1(id){
    $("#"+id).slideToggle();
}
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在这里传递 id :

<button onclick="myFunction1('myDIV1')">One</button>
<button onclick="myFunction1('myDIV2')">Two</button>
<button onclick="myFunction1('myDIV3')">Three</button>
<button onclick="myFunction1('myDIV4')">Four</button>
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