Problem List|1442. Custom Promise.all Polyfill from Scratch (Part 11)Medium

1442. Custom Promise.all Polyfill from Scratch (Part 11)

DOM & BrowserJavaScript Core
### Problem #1442: Custom Promise.all Polyfill from Scratch (Part 11) **Domain:** `Frontend & Web` | **Topic Focus:** `DOM & Browser, JavaScript Core` Implement an optimized, production-grade solution for **Custom Promise.all Polyfill from Scratch (Part 11)**. ### Requirements: 1. Your code must handle boundary inputs, edge cases, and maintain optimal time & space complexity. 2. In production, this logic scales to high-throughput environments. 3. Return the exact computed result.
Example 1:
Input: Sample Input #1442
Output: Output 1
Explanation: Demonstrates correct execution for DOM & Browser in Frontend & Web.

Constraints:

  • Time Complexity: Optimal for standard production loads.
  • Space Complexity: O(1) auxiliary or O(N) linear storage.
  • Ensure memory safety, clean error propagation, and zero race conditions.
Integrity: 100%
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Input Arguments:
Test Case 1 for #1442
Expected Output:
Output 1