Benchmark: Moment.unix vs moment

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.19.3/moment.min.js'></script>

Script Preparation code:

var string = "2020-05-16T07:00:00Z";
var unix = 1589612400;

Tests:

string parse
return moment(string);
epoch parse
return moment.unix(unix);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
string parse
epoch parse

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 10 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/137.0.0.0 Safari/537.36

Browser/OS: Chrome 137 on Windows

View result in a separate tab

Test name	Executions per second
string parse	109794.7 Ops/sec
epoch parse	2369331.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided JSON data and explain what's being tested.

**Overview**

MeasureThat.net is a website where users can create and run JavaScript microbenchmarks to compare the performance of different approaches. In this case, we're testing two methods for parsing dates using the `moment` library: Unix time (`moment.unix(unix)`) and string format (`moment(string)`).

**Options being compared**

The main options being compared are:

1. **Unix Time Parsing**: Using `moment.unix(unix)` to parse a date from a Unix timestamp.
2. **String Format Parsing**: Using `moment(string)` to parse a date from a string in the ISO 8601 format (`2020-05-16T07:00:00Z`).

**Pros and Cons**

* **Unix Time Parsing**:
	+ Pros: Fast and efficient, as Unix timestamps are typically numerical values that can be processed quickly.
	+ Cons: Requires an additional step to convert the Unix timestamp to a human-readable date string, which might add overhead.
* **String Format Parsing**:
	+ Pros: Can parse dates in various formats, including ISO 8601, and often provides more accurate results due to built-in formatting rules.
	+ Cons: May be slower than Unix time parsing, as it involves parsing the date string and then converting it to a numerical value.

**Library and Purpose**

The `moment` library is a popular JavaScript date manipulation and parsing library. Its primary purpose is to provide an easy-to-use interface for working with dates in various formats. The library includes functions like `unix()` for parsing Unix timestamps, as well as various formatting options for converting dates between different formats.

**Other Considerations**

When testing these two approaches, it's essential to consider the following:

* **Browser-specific issues**: Different browsers might have varying levels of support for the `moment` library or may exhibit specific behavior when using it.
* **Date formatting rules**: The ISO 8601 format used in this benchmark is a widely accepted standard, but other formats (like `YYYY-MM-DD`) might be more common in certain industries or regions.

**Special JS Features and Syntax**

There are no special JavaScript features or syntax mentioned in the provided data. However, if you're interested in exploring these aspects further, some notable examples include:

* **Arrow functions**: Introduced in ECMAScript 2015 (ES6), arrow functions provide a concise way to define small functions.
* **Template literals**: Also introduced in ES6, template literals allow for more readable string interpolation.

**Alternatives**

If you're looking for alternative libraries or approaches for parsing dates, some options include:

* **Date-FNS**: A small library that provides a set of fast and efficient date-related functions, including parsing Unix timestamps.
* **Luxon**: A modern JavaScript date and time library that offers more advanced features than `moment`, such as support for multiple time zones.

Keep in mind that the choice of library or approach ultimately depends on your specific requirements, performance constraints, and personal preferences.

Related benchmarks:

Moment.unix vs moment (version: 0)

Comparing performance of: string parse vs epoch parse

Created: 6 years ago by: Guest

Jump to the latest result

string parse

epoch parse

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):