NodeJS Program to Microtask With Promise.resolve with Explanation
NodeJS
Easy
Async & Event Loop
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1 min read
82 words
This problem helps you practice core NodeJS fundamentals in a practical way. It builds intuition around microtask, promise, resolve. Let’s break it down step by step so you can implement it confidently.
Problem Statement
Queue a microtask using Promise.resolve().then and print order.
Input Format
No input.
Output Format
Print lines.
Constraints
C runs after sync.
Code Solution
This explanation is written for learning purposes and to help beginners understand the concept clearly.
console.log('A');
Promise.resolve().then(() => console.log('C'));
console.log('B');
Output Example
No sample I/O is provided for this question.
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Solution Guide
Problem
Queue a microtask using Promise.resolve().then and print order.
Input / Output
Constraints
C runs after sync.
Details
Common Mistakes
- Misreading input/output format.
- Not handling constraints and edge cases.
- Off-by-one errors in loops.
- Forgetting to reset variables between test cases (if any).
Official Solution
console.log('A');
Promise.resolve().then(() => console.log('C'));
console.log('B');
Solutions (0)
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