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W3.CSS 导航选项卡 - 显示 2 id

[英]W3.CSS Navigation Tabs - Show 2 id

I am using W3.CSS Navigation Tabs but I have problems.我正在使用 W3.CSS 导航选项卡,但我遇到了问题。 I have 2 id, I want to show that 2 id when people, for example, click Tab "London" then show 2 id.我有 2 个 id,我想在人们时显示 2 个 id,例如,单击 Tab“London”然后显示 2 个 id。 In W3.CSS Navigation Tabs code, I can show only 1 id at the same time but I don't how to add 1 more id to show up在 W3.CSS Navigation Tabs 代码中,我只能同时显示 1 个 id,但我不知道如何再添加 1 个 id 来显示

W3.CSS Navigation Tabs code 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>

A simple solution would be passing multiple city names as an array instead of single city name to the openCity function.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称传递给openCity函数。

In the following example, the content of 2 tabs with the id London and Paris will show up when you click on the tab London .在以下示例中,当您单击选项卡London时,将显示 ID 为LondonParis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>

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