Node.js
/Intermediate
process Object
Definition
A global object that provides information about, and control over, the current Node.js process executing the script.
Explain Like I'm New
The `process` object is your walkie-talkie to the computer's operating system. You use it to find out what command-line arguments the user typed, what environment the app is running in (Development or Production), or to forcefully tell Node.js to exit and shut down immediately.
Real World Example
If someone runs `node script.js --user=alice`, you read `process.argv` to figure out they typed '--user=alice' and adjust your logic.
Common Use Cases
- •Command Line Interface (CLI) scripts
- •Graceful shutdowns
- •Memory diagnostics
Interactive Example
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Interview Questions
basic
- Do you need to `require('process')` to use it?
intermediate
- What does `process.exit(1)` do?
advanced
- How do you read command-line arguments passed to a Node script?