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问W3.CSS导航标签-显示2 id
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Stack Overflow用户

提问于 2020-02-01 19:59:00

回答 1查看 248关注 0票数 0

我正在使用W3.CSS导航表，但我有问题。我有2个id，我想显示这2个id当人们，例如，点击标签“伦敦”，然后显示2个id。在W3.CSS导航选项卡代码中，我只能同时显示一个id，但我不知道如何再添加一个id来显示

W3.CSS导航标签代码

<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<body>

<div class="w3-container">
  <h2>Tabs in a Grid</h2>

  <div class="w3-row">
    <a href="javascript:void(0)" onclick="openCity(event, 'London');">
      <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding">London</div>
    </a>
    <a href="javascript:void(0)" onclick="openCity(event, 'Paris');">
      <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding">Paris</div>
    </a>
    <a href="javascript:void(0)" onclick="openCity(event, 'Tokyo');">
      <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding">Tokyo</div>
    </a>
  </div>

  <div id="London" class="w3-container city" style="display:none">
    <h2>London</h2>
    <p>London is the capital city of England.</p>
  </div>

  <div id="Paris" class="w3-container city" style="display:none">
    <h2>Paris</h2>
    <p>Paris is the capital of France.</p> 
  </div>

  <div id="Tokyo" class="w3-container city" style="display:none">
    <h2>Tokyo</h2>
    <p>Tokyo is the capital of Japan.</p>
  </div>
</div>

<script>
function openCity(evt, cityName) {
  var i, x, tablinks;
  x = document.getElementsByClassName("city");
  for (i = 0; i < x.length; i++) {
    x[i].style.display = "none";
  }
  tablinks = document.getElementsByClassName("tablink");
  for (i = 0; i < x.length; i++) {
    tablinks[i].className = tablinks[i].className.replace(" w3-border-red", "");
  }
  document.getElementById(cityName).style.display = "block";
  evt.currentTarget.firstElementChild.className += " w3-border-red";
}
</script>

</body>
</html>

html

css

w3-css

javascript

回答 1

Stack Overflow用户

回答已采纳

发布于 2020-02-01 20:12:34

一个简单的解决方案是将多个城市名称作为数组而不是单个城市名传递给openCity函数。

在下面的示例中，当您单击伦敦选项卡时，将显示带有id London和Paris的2个选项卡的内容。

function openCity(evt, cityNames) {
    let i, x, tablinks;
    
    x = document.getElementsByClassName("city");
    for (i = 0; i < x.length; i++) {
        x[i].style.display = "none";
    }
    
    tablinks = document.getElementsByClassName("tablink");
    for (i = 0; i < x.length; i++) {
        tablinks[i].className = tablinks[i].className.replace(" w3-border-red", "");
    }
  
    cityNames.map(function(city) {
        document.getElementById(city).style.display = "block";
    });
    
    evt.currentTarget.firstElementChild.className += " w3-border-red";
}

<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">

<div class="w3-container">
    <h2>Tabs in a Grid</h2>

    <div class="w3-row">
        <a href="javascript:void(0)" onclick="openCity(event, ['London','Paris']);">
            <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding w3-border-red">London</div>
        </a>
        <a href="javascript:void(0)" onclick="openCity(event, ['Paris']);">
            <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding">Paris</div>
        </a>
        <a href="javascript:void(0)" onclick="openCity(event, ['Tokyo']);">
            <div class="w3-third tablink w3-bottombar w3-hover-light-grey w3-padding">Tokyo</div>
        </a>
    </div>

    <div id="London" class="w3-container city">
        <h2>London</h2>
        <p>London is the capital city of England.</p>
    </div>

    <div id="Paris" class="w3-container city" style="display:none">
        <h2>Paris</h2>
        <p>Paris is the capital of France.</p> 
    </div>

    <div id="Tokyo" class="w3-container city" style="display:none">
        <h2>Tokyo</h2>
        <p>Tokyo is the capital of Japan.</p>
    </div>
</div>

票数 3

页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持

原文链接：

https://stackoverflow.com/questions/60020623

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