【问题标题】:change the bootstrap 4 dropdown-menu option to show and hide divs in html更改 bootstrap 4 下拉菜单选项以在 html 中显示和隐藏 div
【发布时间】:2017-11-30 02:02:35
【问题描述】:

我有一个带有 3 个选项的下拉菜单栏。当我更改选项时,我需要隐藏/显示 div。你能建议我如何在 jquery 中做。

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>
<div class="row col-xl-12  justify-content-center  align-items-center">
  <div class=" dropdown m-auto justify-content-center ">
    <div class="dropdown-menu dropdown-menu-right" aria-labelledby="about-us">
      <a class="dropdown-item" href="#" id="service">Options 1 </a>
      <a class="dropdown-item" href="#" id="sales">Option 2</a>
      <a class="dropdown-item" href="#" id="recall">Option 3</a>
    </div>
  </div>
</div>

<div style ="display:none"> Selected Option1</div>
<div style ="display:none"> Selected Option2</div>
<div style ="display:none"> Selected Option3</div>

【问题讨论】:

    标签: javascript jquery twitter-bootstrap bootstrap-4


    【解决方案1】:

    $(document).ready(function () {
      $('.group').hide();
      $('#option1').show();
      $('#outer').change(function () {
        $('.group').hide();
        $('#'+$(this).val()).show();
      })
    });
    #option1{
      background-color:red;
      height:400px;
      color:white;
    }
    
    #option2{
      background-color:blue;
        height:400px;
      color:white;
    }
    
    #option3{
      background-color:green;
        height:400px;
      color:white;
    }
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    
    <select id="outer">
      <option value="option1">option1</option>
      <option value="option2">option2</option>
      <option value="option3">option3</option>
    </select>
    
    <div id="option1" class="group">Red</div>
    <div id="option2" class="group">Blue</div>
    <div id="option3" class="group">Green</div>

    【讨论】:

    • 我需要 Bootstrap4 的“下拉菜单”选项。不带“
    【解决方案2】:

    $(function(){
                				 $("#option1").click(function () {
                					 alert("Service");
                					 $('#serviceCharts').show();
                					 $('#option-2').hide();
                					 $('#option-3').hide();
                					 $('#about-us').text($(this).text());
                					 
                				 });
                				 
                				 $("#option2").click(function () {
                					 alert("Sales");
                					 $('#option-1').hide();
                					 $('#option-2').show();
                					 $('#option-3').hide();
                					 $('#about-us').text($(this).text());
                					 
                				 });
                				 
                				 $("#option3").click(function () {
                					 alert("Recall");
                					 $('#option-1').hide();
                					 $('#option-2').hide();
                					 $('#option-3').show();
                					 $('#about-us').text($(this).text());
                					 
                				 });
                				 
                			});
    
       
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
    <div class="row col-xl-12  justify-content-center  align-items-center" style="padding: 0 0 100px;">
                          <div class=" dropdown m-auto justify-content-center snapshotdropmenu">
                              <span class="selectprogram">Select Program:</span>
                              <button class="btn btn-salesbtn dropdown-toggle" type="button" id="about-us" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> 
                              </button>
                          <div class="dropdown-menu dropdown-menu-right" aria-labelledby="about-us">
                              <a class="dropdown-item" id="option1">option1</a>
                              <a class="dropdown-item" id="option2">option2</a>
                              <a class="dropdown-item" id="option3">option3</a>
                          </div>
                          </div>
                      </div>
                
                <div id="option-1" class="group">Red</div>
                <div id="option-2" class="group" style="display:none">Blue</div>
                <div id="option-3" class="group" style="display:none">Green</div>

    【讨论】:

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