The
console.count() method is an inbuilt application programming interface of the console module which is used to count label passed to it as a parameter, by maintaining an internal counter for that specific label.
Syntax:
console.count(label)
Parameters: This method has one parameter as mentioned above and described below:
- label: It is an optional parameter specifies the label to be counted. Default value is "default".
Return Value: This method outputs the count of this function called with the specified label to the stdout.
Below examples illustrate the use of console.count() method in Node.js:
Example 1:
Output:
a: 1
b: 1
a: 2
a: 3
a: 4
b: 2
b: 3
b: 4
Example 2:
Output:
default: 1
a: 1
b: 1
a: 2
a: 3
default: 2
default: 3
default: 4
b: 2
Note: The above program will compile and run by using the
node filename.js command.
Reference: https://nodejs.org/api/console.html#console_console_count_label
