如何使用jQuery从表中删除表行

jQuery remove()方法是用来从HTML表格中删除一行的。
jQuery remove() Method :该方法删除所选元素以及文本和子节点。这个方法也删除了所选元素的数据和事件。

语法:

$(selector).remove(selector)

参数：它接受单参数选择器，这是可选的。它指定了一个或多个要删除的元素。如果要删除多个元素，请用逗号（,）操作符将它们分开。

例子1：这个例子首先通过id值选择行，然后通过remove()方法将其删除。

<!DOCTYPE HTML> 
<html> 
    <head> 
      
        <title> 
            How to remove a table row
            from table
        </title> 
          
        <script src = 
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
        </script>
  
        <style>
            #myCol {
                background:green;
            }
            table {
                color:white;
            }
            #Geek_p {
                color:green;
                font-size:30px;
            }
            td {
                padding:10px;
            }
        </style>
    </head> 
      
    <body>
        <center> 
            <h1 style = "color:green;" > 
                GeeksForGeeks 
            </h1> 
                  
            <table>
                <colgroup>
                    <col id="myCol"
                        span="2">
                    <col style="background-color:green">
                </colgroup>
                  
                <tr>
                    <th>S.No</th>
                    <th>Title</th>
                    <th>Geek_id</th>
                </tr>
                <tr id = "row1">
                    <td>Geek_1</td>
                    <td>GeekForGeeks</td>
                    <th>Geek_id_1</th>
                </tr>
                <tr>
                    <td>Geek_2</td>
                    <td>GeeksForGeeks</td>
                    <th>Geek_id_2</th>
                </tr>
            </table>
            <br>
              
            <button onclick = "Geeks()"> 
                Click here
             
              
            <!-- Script to remove table row from table -->
            <script> 
                function Geeks() {
                        $("#row1").remove();
                }
            </script>
        </center>
    </body> 
</html>

输出:

在点击按钮之前。
点击该按钮后。

例子2：这个例子首先选择其父辈的最后一个<tr>元素，并通过remove()方法将其删除。

<!DOCTYPE HTML> 
<html> 
    <head> 
        <title> 
            How to remove table row
            from table
        </title> 
          
        <script src = 
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
        </script>
      
        <style>
            #myCol {
                background:green;
            }
            table {
                color:white;
            }
            #Geek_p {
                color:green;
                font-size:30px;
            }
            td {
                padding:10px;
            }
        </style>
    </head> 
      
    <body>
        <center> 
            <h1 style = "color:green;" > 
                GeeksForGeeks 
            </h1> 
                  
            <table>
                <colgroup>
                    <col id="myCol"
                        span="2">
                    <col style="background-color:green">
                </colgroup>
                  
                <tr>
                    <th>S.No</th>
                    <th>Title</th>
                    <th>Geek_id</th>
                </tr>
                <tr id = "row1">
                    <td>Geek_1</td>
                    <td>GeekForGeeks</td>
                    <th>Geek_id_1</th>
                </tr>
                <tr>
                    <td>Geek_2</td>
                    <td>GeeksForGeeks</td>
                    <th>Geek_id_2</th>
                </tr>
            </table>
            <br>
              
            <button onclick = "Geeks()"> 
                Click here
             
              
            <script> 
                function Geeks() {
                    $('tr:last-child').remove();
                }
            </script> 
        </center>
    </body> 
</html>

输出: