What is the use of the console.log() Function in JavaScript?

The console.log() function serves as a fundamental tool for developers to output information to the console. It plays a crucial role in the debugging process, allowing programmers to inspect variables, log messages, and trace the flow of their code. By printing relevant data to the console, developers can gain insights into the state of their program at different points in its execution, facilitating the identification and resolution of errors.

Syntax:

console.log() // Print anything in the console

Parameters:

It accepts a parameter, which may be an object, an array, or any message.

Return value: 

This function returns the value of the given parameter.

Example: Here is a basic example of printing the value of a variable in a console.

Javascript

let a = 4;
console.log(a)

Output

4