JQuery wrap()用法及代碼示例

wrap()方法是jQuery中的內置方法，用於將指定元素包裝在選定元素周圍。

用法:

$(selector).wrap(element, function)

參數：此方法接受上述和以下所述的兩個參數：

element:這是必需的參數，用於指定要包裹所選元素的元素。
function:它是可選參數，用於指定返回包裝元素的函數。

返回值：此方法返回通過wrap()方法進行指定更改的所選元素。

以下示例說明了jQuery中的wrap()方法：

示例1:本示例不接受可選參數。

<!DOCTYPE html> 
<html> 
    <head> 
        <title>The wrap() Method</title> 
        <script src= 
        "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> 
        </script> 
          
        <!-- jQuery code to show the working of this method -->
        <script> 
            $(document).ready(function() { 
                $("button").click(function() { 
                    $("p").wrap("<div></div>"); 
                }); 
            }); 
        </script> 
        <style> 
            div { 
                background-color: lightgreen; 
                padding: 20px; 
                width: 200px; 
                font-weight: bold; 
                height: 60px; 
                border: 2px solid green; 
            } 
        </style> 
    </head> 
       
    <body> 
        <!-- click on this paragraph and see the change -->
        <p>Welcome to GeeksforGeeks!</p><br> 
        <button>Click Here!</button> 
    </body> 
</html>

輸出：
wrap method

示例2:

<!DOCTYPE html> 
<html> 
    <head> 
        <title>The wrap Method</title> 
        <script src= 
        "https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"> 
        </script> 
          
        <!-- jQuery code to show the working of this method -->
        <script> 
            $(document).ready(function() { 
                $("button").click(function() { 
                    $("p").wrap(function() { 
                        return "<div></div>" 
                    }); 
                }); 
            }); 
        </script> 
        <style> 
            div { 
                background-color: lightgreen; 
                padding: 20px; 
                width: 200px; 
                font-weight: bold; 
                height: 60px; 
                border: 2px solid green; 
            } 
        </style> 
    </head> 
    <body> 
        <!-- click on this paragraph and see the change -->
        <p>Welcome to GeeksforGeeks!</p><br> 
        <button>Click Here!</button> 
    </body> 
</html>

輸出：
wrap method

相關用法

注：本文由純淨天空篩選整理自kundankumarjha大神的英文原創作品 jQuery | wrap() with Examples。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。