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Node.js – process ‘exit’ Event
An ‘exit’ event is emitted when the process is going to exit due to the following reasons −
Process.exit() method is called explicitly.
The node event loop no longer have any task to perform.
Syntax
Event: 'exit'
Example 1
Create a file "exit.js" and copy the following code snippet. After creating the file, use the command "node exit.js" to run this code.
// Process 'Exit' event Demo Example
console.log("Process Starts")
// Binding this event to the handler
process.on('exit',() => {
console.log("process.exit() method is called")
})
console.log("Process Ends")
// Exiting the process
process.exit()Output
Process Starts Process Ends process.exit() method is called
Example 2
Let’s take a look at one more example.
// Proxess 'Exit' event Demo Example
// Importing the event module
const events = require("events")
console.log("Process Starts...")
const eventEmitter = new events.EventEmitter()
// Initializing the event Handler
var Handler = function() {
// Calling the exit event
process.on('exit', () => {
console.log("process.exit() method is called")
})
}
// Calling the hello event
eventEmitter.on("hello", Handler)
// Emitting the event
eventEmitter.emit("hello")
console.log("Process Ends...")
// Exiting the process
process.exit()Output
Process Starts... Process Ends... process.exit() method is called
Updated on: 29-Oct-2021
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