如何创建：标签页标题

学习如何使用 CSS 和 JavaScript 创建标签页标题。

创建可切换的标签页标题

第一步 - 添加 HTML：

<div id="London" class="tabcontent">
  <h1>London</h1>
  <p>London is the capital city of England.</p>
</div>
<div id="Paris" class="tabcontent">
  <h1>Paris</h1>
  <p>Paris is the capital of France.</p>
</div>
<div id="Tokyo" class="tabcontent">
  <h1>Tokyo</h1>
  <p>Tokyo is the capital of Japan.</p>
</div>
<div id="Oslo" class="tabcontent">
  <h1>Oslo</h1>
  <p>Oslo is the capital of Norway.</p>
</div>
<button class="tablink" onclick="openCity('London', this, 'red')" id="defaultOpen">London</button>
<button class="tablink" onclick="openCity('Paris', this, 'green')">Paris</button>
<button class="tablink" onclick="openCity('Tokyo', this, 'blue')">Tokyo</button>
<button class="tablink" onclick="openCity('Oslo', this, 'orange')">Oslo</button>
创建按钮以打开特定的标签页内容。所有具有类 "tabcontent" 的 <div> 元素默认隐藏（使用 CSS & JS）。当用户点击按钮时 - 它将打开与该按钮 "匹配" 的标签页内容。

第二步 - 添加 CSS：

设置按钮和标签页内容的样式：

/* 设置标签页按钮的样式 */
.tablink {
  background-color: #555;
  color: white;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  font-size: 17px;
  width: 25%;
}
/* 更改悬停时按钮的背景颜色 */
.tablink:hover {
  background-color: #777;
}
/* 设置标签页内容的默认样式 */
.tabcontent {
  color: white;
  display: none;
  padding: 50px;
  text-align: center;
}
/* 单独设置每个标签页内容的样式 */
#London {background-color:red;}
#Paris {background-color:green;}
#Tokyo {background-color:blue;}
#Oslo {background-color:orange;}

atsaka 3 - tawon JavaScript:

function openCity(cityName, elmnt, color) {
  // kawon da kawon da kawon da kawon da class="tabcontent" ceen da za ga da
  var i, tabcontent, tablinks;
  tabcontent = document.getElementsByClassName("tabcontent");
  for (i = 0; i < tabcontent.length; i++) {
    tabcontent[i].style.display = "none";
  }
  // rarramawo kawon da tablinks da za ga kawon da tasi da da
  tablinks = document.getElementsByClassName("tablink");
  for (i = 0; i < tablinks.length; i++) {
    tablinks[i].style.backgroundColor = "";
  }
  // cee kawon da tablinks da za ga da
  document.getElementById(cityName).style.display = "block";
  // ceen da ce click da za ga kawon da tasi da da
  elmnt.style.backgroundColor = color;
}
// rarramawo id="defaultOpen" kawo ceen da ce click
document.getElementById("defaultOpen").click();

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