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Node.js console.groupCollapsed() Method

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The console.groupCollapsed() method is inbuilt of the console module which is used to collapse the grouped content until call the console.groupEnd() method. It starts the collapsed group and can be ended with groupEnd() method. 

Syntax:

console.groupCollapsed([label]);

Parameters: This method accepts only one parameter as mentioned above and described below:

label: label for the group that you’re grouping on the console. This is an optional parameter.

Return Value: It doesn’t return any value.

Below examples illustrate the use of console.groupCollapsed() method in Node.js.

Example 1:

Filename: index.js

Javascript




// Node.js program to demonstrate the
// console.groupCollapsed() method
// This code example demonstrate the
// method without parameter
 
// Accessing console module
const console = require('console');
 
console.log("GeeksforGeeks (Outside)")
console.log();
 
// Creating first group calling
// console.groupCollapsed() method
console.groupCollapsed();
 
// Printing First line of Group
console.log("GeeksforGeeks (1)");
 
// Printing Second line of Group
console.log("GeeksforGeeks (2)");
 
// End the group (It is used to end the
// group for more understanding the
// group method)
console.groupEnd();
console.log();


Run index.js file using the below command:

node app1.js

Output:

GeeksforGeeks (Outside)

  GeeksforGeeks (1)
  GeeksforGeeks (2)

Example 2: 

Filename: index.js

Javascript




// Node.js program to demonstrate the
// console.groupCollapsed() method
 
// This code example demonstrate the method
// with parameter and nested groups
 
// Accessing console module
const console = require('console');
 
console.log("GeeksforGeeks ");
 
console.log("=========================");
console.log();
 
// Creating collapsed group
console.groupCollapsed("GeeksforGeeks (main Collapsed group)");
console.log();
 
// Printing First line of collapsed group
console.log("GeeksforGeeks (Outside)");
console.log();
 
// Creating First nested collapsed group
console.groupCollapsed("GeeksforGeeks (1st Nested group)");
console.log("GeeksforGeeks (1st line)");
console.log("Computer Science Portal (2nd line)");
 
// Ending the 1st nested group
console.groupEnd();
 
console.log();
console.log();
 
// Creating second nested collapsed group
console.groupCollapsed("GeeksforGeeks (2nd Nested group)");
console.log("Data Structure (1st line)");
console.log("Algorithms & segment tree (2nd line)");
 
// Ending the 2nd nested group
console.groupEnd();
 
console.log();
 
// Printing last line of Main group
console.log("Main group finished");
console.log();
 
// Calling groupEnd() method (It is used
// to end the group for more understanding
// the group method)
console.groupEnd();
 
// print from outside the Main group
console.log("GeeksforGeeks (Outside Last)");
 
console.log();
console.log("=========================");


Output: 

GeeksforGeeks 
=========================

GeeksforGeeks (main Collapsed group)
  
  GeeksforGeeks (Outside)
  
  GeeksforGeeks (1st Nested group)  
    GeeksforGeeks (1st line)
    Computer Science Portal (2nd line)  
  
  
  GeeksforGeeks (2nd Nested group)      
    Data Structure (1st line)
    Algorithms & segment tree (2nd line)
  
  Main group finished
  
GeeksforGeeks (Outside Last)

=========================

Reference: https://nodejs.org/api/console.html#console_console_groupcollapsed
 



Last Updated : 08 Dec, 2021
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