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Testing peformance of date reformat
(version: 0)
Comparing performance of:
MomentJS vs Split vs Substr
Created:
4 years ago
by:
Registered User
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HTML Preparation code:
<script src='https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.22.0/moment.min.js'></script>
Script Preparation code:
var input = "2021-11-15T18:00:57.000";
Tests:
MomentJS
var date0 = moment(input).format('DD-MM-YY HH:mm')
Split
var dt = input.split("T"); var d = dt[0].split("-"); var t = dt[1].split(":"); var date1 = d[2] + '-' + d[1] + '-' + d[0] + ' ' + t[0] + ':' + t[1];
Substr
var date2 = input.substr(8, 2) + '-' + input.substr(5, 2) + '-' + input.substr(2, 2) + ' ' + input.substr(11, 2) + ':' + input.substr(14, 2);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (3)
Previous results
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Test case name
Result
MomentJS
Split
Substr
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Explanation** MeasureThat.net is a platform for testing and comparing the performance of different approaches to accomplish a specific task, in this case, date reformating. The benchmark tests three different methods: 1. **MomentJS**: This method uses the Moment.js library to parse and format the input date string. 2. **Split**: This method splits the input date string into its constituent parts using substr operations (splitting at 'T', '-', ':') and then reassembles them to form a new date string. 3. **Substr**: This method extracts specific portions of the input date string using substr operations ( extracting years, months, days, hours, minutes) and then concatenates them to form a new date string. **Approach Comparison** Each approach has its pros and cons: * **MomentJS**: Pros: * Convenient and easy-to-use API * Handles various date formats and edge cases out of the box * Performance is optimized for use cases like this one Cons: * Requires including an additional library (Moment.js) * Might be overkill for simple, lightweight applications * **Split**: Pros: * Lightweight and doesn't require any external libraries * Can handle a wide range of input date formats by adjusting the splitting points Cons: * Requires manual handling of edge cases and formatting complexities * Error-prone due to incorrect substring extraction or ordering * **Substr**: Pros: * Lightweight, doesn't require external libraries * Allows for fine-grained control over date extraction Cons: * More complex and error-prone than the split approach * Requires handling of edge cases manually **Library Considerations** Moment.js is a widely-used library for date and time manipulation in JavaScript. It provides an API that can simplify date reformating tasks, but it comes with the overhead of including another library. **Special JS Features or Syntax** There are no special JavaScript features or syntax mentioned in this benchmark. **Alternative Approaches** Other approaches to date reformating might include: * Using a dedicated date parsing library (e.g., ICU) for more advanced and accurate formatting * Implementing custom parsing logic using regular expressions * Leveraging modern JavaScript features like Intl.DateTimeFormat for more concise and expressive formatting Keep in mind that these alternatives would depend on the specific requirements and constraints of your project. **Benchmark Test Cases** Each test case represents a single approach to date reformating, providing users with a direct comparison between different methods. The latest benchmark results are already available, but they can be useful for visualizing performance differences and understanding which approach is most efficient for this particular task.
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