HTML学习:float实现分栏,表单的固定格式和iframe使用的演示

补充资料
cityu link
cityu link
1.利用float实现多栏页面
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<div id="main-container">
  <div id="left-column"></div>
  <div id="right-column"></div>
</div>
<div id="footer"></div>

2.规范的表单格式

<form name="Reservation">
<fieldset>
<legend>Reservation</legend>
<label for="Date"> Date:</label>
<input type="text" placeholder="dd/mm/yyyy" >               
</fieldset>
</form>

3.iframe使用的演示(fix layout实现分栏的方案)

<!DOCTYPE html>
    <html>
      <head>
        <meta name="author" content="" >
        <meta name="description" content="" >
        <meta name="keywords" content="" >
        <meta charset="utf-8">
        <title>Page Layout</title>
        <style media="screen">

          #header{
            height:15%;
            position: fixed;
          }
          #navigation{
            height:70%;
            width: 20%;
            top:15%;
            position: fixed;
          }
          iframe{
            width: 70%;
            height:70%;
            position: fixed;
            left: 30%;
            top: 15%;
          }
          #footer{
            position: fixed;
            top:85%;
          }
        </style>
      </head>
      <body>
          <div id="header">
            <h1>XYZ Online Bookstore</h1>
          </div>
          <!-- Navigation -->
          <div id="navigation">
            <ol>
              <li><a href="content1.html" target="bb">Arts</a></li>
              <li><a href="content2.html" target="bb">Business</a></li>
              <li><a href="#">Children</a></li>
              <li><a href="#">Entertainment</a></li>
              <li><a href="#">Fiction</a></li>
              <li><a href="#">Technology</a></li>
            </ol>
          </div>
          <!-- Page Content -->
          <iframe name="bb" src="content1.html"></iframe>
          <!-- Page Footer -->
          <div id="footer">
            <p>At has quas vivendo phaedrum. Ad vis atomorum maluisset, sit inermis
              minimum senserit cu. Dicta phaedrum duo ea, qui in ceteros imperdiet
              liberavisse. </p>
          </div>
        </div>
      </body>
    </html>

  </body>
</html>

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链接
原生JS之lastChild和lastElementChild、childNodes和children区别
JS DOM节点(当前标签和同级、父级、子级…之间的关系)
HTML 标签的 type 属性
CSS grid
Simple CSS-Only Row and Column Highlighting

CSS float
html语法检查

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转载自blog.csdn.net/Aren8/article/details/103737318