<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.29.4/moment.min.js'></script>
const date = moment('22-01-1996')
const date = moment(new Date('22-01-1996'))
const date = new Date('22-01-1996')
--enable-precise-memory-info
flag.
Test case name | Result |
---|---|
String moment date | |
Date() moment date | |
new Date() |
Test name | Executions per second |
---|---|
String moment date | 340847.9 Ops/sec |
Date() moment date | 987889.0 Ops/sec |
new Date() | 5440624.5 Ops/sec |
I'll break down the provided benchmark JSON and explain what's being tested, the options compared, their pros and cons, and other considerations.
Benchmark Definition
The benchmark defines three test cases:
String moment date
: Tests the performance of passing a string directly to Moment.js's moment()
function.Date() moment date
: Tests the performance of creating a new Date object using the new Date()
constructor and then passing it to Moment.js's moment()
function.new Date()
: Tests the performance of creating a new Date object directly using the new Date()
constructor.Moment.js Library
The moment.js
library is used in all three test cases. It provides a powerful date and time manipulation API. In this context, Moment.js is being used to parse a string or create a new Date object, which are then compared for performance differences.
JavaScript Features and Syntax
None of the provided benchmark tests use special JavaScript features or syntax beyond what's standard in modern JavaScript. However, it's worth noting that some versions of Moment.js might have deprecated features or specific behavior, but this is not relevant to the current benchmark test.
Options Compared
The three options compared are:
String moment date
: Passing a string directly to Moment.js's moment()
function.Date() moment date
: Creating a new Date object using the new Date()
constructor and then passing it to Moment.js's moment()
function.new Date()
: Creating a new Date object directly using the new Date()
constructor.Pros and Cons
Here are some pros and cons of each approach:
Other Considerations
When comparing these options, consider the following:
new Date()
can introduce additional overhead due to the constructor call and potential parsing of internal data structures.Alternatives
If you were to write similar benchmarks, consider testing other approaches, such as:
Keep in mind that benchmarking is an art, and results may vary depending on the specific test setup, hardware, and software configurations.