HTML DOM console.groupCollapsed()用法及代碼示例

HTML中的console.groupCollapsed()方法用於在控製台中創建一組折疊的消息。它指示折疊的消息組的開始以及調用控製台後寫入的所有消息。groupCollapsed()方法將寫入消息組內部。標簽作為可選參數發送到console.groupCollapsed()方法。

用法:

console.groupCollapsed( label )

參數：此方法接受可選的單個參數標簽，用於為折疊組指定標簽。

以下示例程序旨在說明HTML中的console.groupCollapsed()方法：

範例1：

<!DOCTYPE html> 
<html> 
    <head>  
        <title>DOM console.groupCollapsed() Method</title>  
        <style>  
            h1 {  
                color:green;  
            }  
            h2 { 
                font-family:Impact; 
            } 
            body     {  
                text-align:center;  
            }  
        </style>  
    </head> 
    <body> 
        <h1>GeeksforGeeks</h1>  
        <h2>DOM console.groupCollapsed( ) Method</h2>  
        <p> 
         To view the message in the console  
         press the F12 key on your keyboard. 
        </p> 
        <script> 
            console.log("GeeksforGeeks offers the following courses:"); 
            console.group("Courses"); 
            console.log("1. fork python"); 
            console.log("2. fork cpp"); 
            console.log("3. fork java"); 
            console.log("4. Interview preparation"); 
            console.groupCollapsed(); 
            console.log("GeeksforGeeks offers tutorials on the" + 
            "following data structures:"); 
            console.log("1. Array"); 
            console.log("2. Linked List"); 
            console.log("3. Stack"); 
            console.log("4. Queue"); 
            console.groupEnd(); 
        </script> 
    </body> 
</html>

輸出：

控製台視圖：

範例2：將label參數與console.groupCollapsed()方法一起使用

<!DOCTYPE html> 
<html> 
    <head>  
        <title>DOM console.groupCollapsed() Method</title>  
        <style>  
            h1 {  
                color:green;  
            }  
            h2 { 
                font-family:Impact; 
            } 
            body {  
                text-align:center;  
            }  
        </style>  
    </head> 
    <body> 
        <h1>GeeksforGeeks</h1>  
        <h2>DOM console.groupCollapsed() Method</h2>  
        <p> 
         To view the message in the console 
         press the F12 key on your keyboard. 
        </p> 
        <script> 
            console.log("GeeksforGeeks offers the following courses:"); 
            console.group("Courses"); 
            console.log("1. fork python"); 
            console.log("2. fork cpp"); 
            console.log("3. fork java"); 
            console.log("4. Interview preparation"); 
            console.groupCollapsed("Data Structures"); 
            console.log("GeeksforGeeks offers tutorials on the" + 
            "following data structures:"); 
            console.log("1. Array"); 
            console.log("2. Linked List"); 
            console.log("3. Stack"); 
            console.log("4. Queue"); 
            console.groupEnd(); 
        </script> 
    </body> 
</html>

輸出：

控製台視圖：

支持的瀏覽器：console.groupCollapsed()方法支持的瀏覽器如下：

穀歌瀏覽器6.0
Internet Explorer 11.0
Firefox 9.0
Opera
Safari 5.1

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 console.groupCollapsed() 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。