HTML DOM Table deleteCaption()用法及代碼示例

表deleteCaption()方法用於刪除<caption>元素並從表中刪除其內容。僅當<caption>元素已經存在時才可以使用它。

用法:

tableObject.deleteCaption()

以下示例程序旨在說明表deleteCaption()方法：
例：刪除<caption>元素。

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>Table deleteCaption() Method in HTML 
  </title> 
    <style> 
        table, 
        td { 
            border:1px solid green; 
        } 
          
        h1 { 
            color:green; 
        } 
          
        h2 { 
            font-family:Impact; 
        } 
          
        body { 
            text-align:center; 
        } 
    </style> 
</head> 
  
<body> 
  
    <h1>GeeksforGeeks</h1> 
    <h2>Table deleteCaption() Method</h2> 
  
    <p>To create a Caption for the table,  
      double-click the "Add Caption" button.</p> 
  
    <p>To delete a Caption from the table,  
      double-click the "Delete Caption" button.</p> 
  
    <table id="Courses" 
           align="center"> 
        <tr> 
            <td>Java</td> 
            <td>Fork Java</td> 
        </tr> 
        <tr> 
            <td>Python</td> 
            <td>Fork Python</td> 
        </tr> 
        <tr> 
            <td>Placements</td> 
            <td>Sudo Placement</td> 
        </tr> 
  
    </table> 
    <br> 
  
    <button ondblclick="Add_Caption()"> 
      Add Caption 
  </button> 
  
    <button ondblclick="Delete_Caption()"> 
      Delete Caption 
  </button> 
  
    <script> 
        function Add_Caption() { 
            
            //  Create caption. 
            var MyTable =  
             document.getElementById( 
               "Courses").createCaption(); 
            
            MyTable.innerHTML =  
              "<strong>GeeksforGeeks</strong>"; 
        } 
  
        function Delete_Caption() { 
            
           // Delete caption. 
            document.getElementById( 
              "Courses").deleteCaption(); 
        } 
    </script> 
  
</body> 
  
</html>

輸出：

在單擊“Add Caption”按鈕之前：
單擊“Add Caption”按鈕後：
單擊“Delete Caption”按鈕後：

支持的瀏覽器：

蘋果Safari
IE瀏覽器
火狐瀏覽器
穀歌瀏覽器
Opera

相關用法

注：本文由純淨天空篩選整理自Shubrodeep Banerjee大神的英文原創作品 HTML | DOM Table deleteCaption() Method。非經特殊聲明，原始代碼版權歸原作者所有，本譯文未經允許或授權，請勿轉載或複製。