Benchmark: MomentJS VS Date - getTtlFromKey

HTML Preparation code:

<script src="https://cdn.jsdelivr.net/npm/moment@2.29.4/moment.min.js"></script>

Script Preparation code:

var unix = 1724409214;

Tests:

MomentJS
const cacheDurationMinutes = 60; const defaultTtl = cacheDurationMinutes * 60; const effectiveDate = '2025-07-18T18'; const now = moment.utc(); const keyEffectiveDateStart = moment.utc(effectiveDate); const keyEffectiveDateEnd = keyEffectiveDateStart.clone() .add(cacheDurationMinutes, 'minutes'); const secondsTillKeyEnd = keyEffectiveDateEnd.diff(now, 'seconds'); const result = Math.min(defaultTtl, Math.max(0, secondsTillKeyEnd)) || defaultTtl;
Date JS
const cacheDurationMinutes = 60; const defaultTtl = cacheDurationMinutes * 60; const effectiveDate = '2025-07-18T18'; const now = new Date(); const keyEffectiveDateStart = new Date(effectiveDate + ':00:00.000Z'); const keyEffectiveDateEnd = new Date(keyEffectiveDateStart.getTime()); keyEffectiveDateEnd.setUTCMinutes(keyEffectiveDateEnd.getUTCMinutes() + cacheDurationMinutes); const secondsTillKeyEnd = (keyEffectiveDateEnd.getTime() - now.getTime()) / 1000; const result = Math.min(defaultTtl, Math.max(0, secondsTillKeyEnd)) || defaultTtl;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
MomentJS
Date JS

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 9 months ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36

Browser/OS: Chrome 138 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
MomentJS	122039.4 Ops/sec
Date JS	1566010.8 Ops/sec

Autogenerated LLM Summary (model gpt-4o-mini, generated 9 months ago):

LLMs can make mistakes. Check important info.

The benchmark tests two approaches for calculating the time-to-live (TTL) based on a given effective date using two different methods: one with **Moment.js** and the other with native **JavaScript Date** objects.

### Approaches Compared

1. **Moment.js Approach:**
   - Utilizes the **Moment.js** library to create and manipulate dates.
   - It retrieves the current date in UTC with `moment.utc()`, calculates the effective date and compares it with the current date.
   - Key steps:
     - A default TTL value is calculated based on a specified duration in minutes.
     - The effective date is parsed and cloned for end calculation by adding the cache duration in minutes.
     - The difference in time is calculated, and the result is derived using the `Math.min()` and  `Math.max()` methods.

2. **Native JavaScript Date Approach:**
   - This approach uses built-in JavaScript `Date` objects for the same calculations.
   - The current date is obtained using `new Date()`, and the effective date is created by parsing the string. The end calculation involves adjusting the effective date using the `setUTCMinutes()` method.
   - Similar to the Moment.js approach, it calculates the TTL based on the effective date's time difference using native date methods.

### Pros and Cons

**Moment.js:**
- **Pros:**
  - Simplifies date manipulations and calculations with an intuitive API.
  - Handles edge cases (time zones, formatting) more easily.
- **Cons:**
  - Additional library size can slow down loading times, increasing the overall footprint of applications.
  - Manipulation can be slower due to the overhead of the library.

**Native JavaScript Date:**
- **Pros:**
  - No additional dependencies; lighter on performance and size.
  - Typically faster execution times because there's no overhead from a library.
- **Cons:**
  - The API can be cumbersome for complex date manipulations, making it harder to read and maintain.
  - May have inconsistencies or quirks in handling date/time compared to Moment.js, especially when dealing with different time zones or formatting.

### Other Considerations

- **Future of Moment.js:** Moment.js is no longer in active development and has been replaced by more modern libraries like **date-fns** and **Luxon**, which offer similar features with a modular approach and better performance. These should be considered if starting a new project.
  
- **Testing Environment:** This benchmark was run using Google Chrome on a specific version of macOS. Benchmark results may vary depending on the browser and operating system, so it’s essential to consider the environment when interpreting results.

### Benchmark Results

The benchmark results indicate the execution speed in "Executions Per Second":
- **Date JS**: Approximately **1,566,010** executions per second.
- **MomentJS**: Approximately **122,039** executions per second.

This shows that the native JavaScript Date approach performs significantly better than the Moment.js approach in this specific benchmark scenario, indicating that for simple date manipulations, native implementations may be more efficient.

In conclusion, while Moment.js is powerful for more complex date operations, for performance-critical scenarios and simpler date handling, native JavaScript Date methods may be the optimal choice. Other alternatives such as date-fns or Luxon can also provide better performance and smaller bundle sizes, if comprehensive date handling capabilities are needed.

Related benchmarks:

MomentJS VS Date - getTtlFromKey (version: 1)

Comparing performance of: MomentJS vs Date JS

Created: 9 months ago by: Guest

Jump to the latest result

MomentJS

Date JS

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model gpt-4o-mini, generated 9 months ago):