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Creating Date vs Moment
(version: 0)
Comparing performance of:
Moment vs Date
Created:
3 years ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<script src="https://cdn.rawgit.com/moment/moment/2.7.0/moment.js"></script>
Tests:
Moment
moment(1677775784);
Date
new Date(1677775784 * 1000)
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Moment
Date
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
10 months ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1
Browser/OS:
Mobile Safari 18 on iOS 18.5
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=612413" width="100%" height="500px"></iframe>
Test name
Executions per second
Moment
8149042.0 Ops/sec
Date
86665720.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided JSON and benchmark test cases to understand what is being tested. **Benchmark Definition** The JSON defines a JavaScript microbenchmarking framework, which allows users to create and run small, isolated benchmarks. The "Script Preparation Code" section is empty, suggesting that no specific setup or initialization code is required for the benchmark. However, the "Html Preparation Code" section includes a reference to the Moment.js library, which will be discussed later. **Individual Test Cases** There are two test cases: 1. **Moment**: This test case runs the `moment(1677775784)` function from the Moment.js library. 2. **Date**: This test case creates a new `Date` object using the expression `new Date(1677775784 * 1000)`. The date value is in milliseconds, representing January 1, 2023, at 12:00 PM UTC. **What is being tested?** The main difference between these two test cases lies in the approach used to create a timestamp: * **Moment.js**: The `moment()` function takes an integer or string representing the number of milliseconds since the Unix epoch (January 1, 1970, 00:00:00 UTC) and returns a Moment object. This library is designed for parsing and manipulating dates in a more human-friendly format. * **JavaScript Date**: The `Date` constructor takes a timestamp value (in milliseconds) as an argument and creates a new date object. The test case uses the same timestamp value for both approaches, so the differences in execution performance are likely due to various factors such as: * Overhead of creating a Moment object vs. simply creating a Date object * Parsing or formatting overhead when using Moment.js (in this case, not applicable) * Optimization and caching mechanisms employed by the browsers **Pros and Cons** * **Moment.js**: Pros: + More human-friendly date parsing and formatting capabilities. + Easier to read and understand code. * Cons: + Potential performance overhead due to parsing or formatting. * **JavaScript Date**: Pros: + Lightweight and efficient way to create timestamps. + No additional dependencies or parsing overhead. * Cons: + Less intuitive or human-friendly date manipulation. **Library: Moment.js** Moment.js is a popular JavaScript library for working with dates and times. Its primary purpose is to simplify date-related tasks by providing a more readable and user-friendly interface than the standard JavaScript `Date` API. While not directly related to the benchmark's test cases, Moment.js can be useful in other parts of your codebase. **Special JS Features or Syntax** None of the provided test cases utilize special JavaScript features or syntax beyond what is considered standard practice for creating timestamps using `Date`.
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Date vs Moment
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Date.now() vs Moment()
Date vs Moment test
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