What is event loop in Node Js?

Question

Can anyone explain the event loop in Node Js?

Answer 1

The Node.js child process module helps us to spawn child processes in a similar manner to popen(3).

The following are the three major way to create child process:

• child_process.exec() method: This method runs a command in a shell/console and buffers the output.
• child_process.spawn() method: This method creates a new process with a given command.
• child_process.fork() method: This method is a special case of spawn() method to create node child processes.

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