Mechanism of Control Flow Function in Node.js?

Hello Everyone, I am new in this community and I have some node.js interview in the upcoming week. Can anyone tell me the working mechanism of the control flow function with some example? I have mentioned a simple example below. Anyone know is it the right example?

fs.readFile('/root/text.txt', func(err, data){
console.log("This is displayed first");

Yes, it is a good example.

You can take a look here, pretty useful article: NodeJS - Control Flow

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Yes, it is correct. For node.js interview question, you can follow our blog post which will help you to crack all of your upcoming interviews.

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