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creating Date from data
(version: 0)
Comparing performance of:
Date from String vs Date from Int timestamp
Created:
2 years ago
by:
Guest
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Tests:
Date from String
new Date("2023-10-20T05:35:42.653Z")
Date from Int timestamp
new Date(1697780142653)
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Suite status:
<idle, ready to run>
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Test case name
Result
Date from String
Date from Int timestamp
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark on MeasureThat.net tests two different ways to create `Date` objects in JavaScript: **Option 1: `new Date("2023-10-20T05:35:42.653Z")`** * This method takes a string representing the date and time in ISO 8601 format. ISO 8601 is a standard for representing dates and times that is widely understood by computers. **Option 2: `new Date(1697780142653)`** * This method takes a number representing the Unix timestamp (the number of milliseconds that have elapsed since January 1, 1970, UTC). **Pros and Cons:** * **String Method:** * **Pros:** More readable for humans. Often easier to understand and maintain. * **Cons:** Can be slower because JavaScript needs to parse the string first. * **Timestamp Method:** * **Pros:** Generally faster because the number is directly usable by JavaScript's internal date calculations. * **Cons:** Less readable for humans, especially if you're not familiar with Unix timestamps. **Other Considerations:** * The benchmark results show that using a timestamp (`new Date(1697780142653)`) is significantly faster than using a string representation (`new Date("2023-10-20T05:35:42.653Z")`). This makes sense because parsing the string takes time. * **Alternatives:** If performance is critical and you're working with dates frequently, consider libraries like `moment.js` or `date-fns`, which offer optimized date manipulation functions. Let me know if you have any other questions!
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