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new Url vs host RegEx
(version: 0)
Comparing performance of:
new URL vs RegEx
Created:
2 years ago
by:
Guest
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Tests:
new URL
return new URL('https://is5-ssl.mzstatic.com/image/thumb/Purple126/v4/00/33/2e/00332e58-b196-82cf-1231-82d81d6fe477/AppIcon_TikTok-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x0w.png').origin;
RegEx
return 'https://is5-ssl.mzstatic.com/image/thumb/Purple126/v4/00/33/2e/00332e58-b196-82cf-1231-82d81d6fe477/AppIcon_TikTok-0-0-1x_U007emarketing-0-0-0-7-0-0-sRGB-0-0-0-GLES2_U002c0-512MB-85-220-0-0.png/512x0w.png'.match(/((http|ftp|https):\/\/)?(([\w.-]*)\.([\w]*))/)[0]
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
new URL
RegEx
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
8 months ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
Browser/OS:
Chrome 138 on Windows
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=616269" width="100%" height="500px"></iframe>
Test name
Executions per second
new URL
584159.6 Ops/sec
RegEx
5666773.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
**Benchmark Overview** MeasureThat.net provides a platform for JavaScript microbenchmarks, allowing users to compare the performance of different approaches to specific tasks. The provided benchmark definition and test cases demonstrate two alternatives for creating URLs. **Test Case 1: New URL vs Host RegEx** The first test case compares two methods for creating a new URL string: 1. **new URL**: This approach uses the built-in `URL` constructor, which parses the input string and returns a `URL` object with its components (protocol, hostname, pathname, search, hash). 2. **Host RegEx**: This approach uses a regular expression (`/((http|ftp|https):\\/\\/(\\w.*\\.\\w+))/`) to extract the protocol, hostname, and port from the input string. **Options Compared** The benchmark compares the performance of: * `new URL` constructor * Host RegEx using a single line regex **Pros and Cons** 1. **new URL**: * Pros: More readable, less prone to errors, and provides additional features (e.g., parsing query strings). * Cons: Requires JavaScript engine support, may be slower for small input strings. 2. **Host RegEx**: * Pros: Lightweight, fast, and suitable for small input strings. * Cons: Error-prone, requires careful regex implementation, and may not handle all edge cases. **Library/Functionality Used** The `URL` constructor is a built-in JavaScript function that parses URLs and provides their components. The Host RegEx uses the `/regex` syntax to define a single line regular expression. **Special JS Features/Syntax** None are mentioned in this specific benchmark case. **Other Alternatives** For creating URLs, other approaches exist: 1. **URLSearchParams**: This API allows parsing query strings from URLs. 2. **uri.js**: A lightweight URL parsing library for JavaScript. 3. **regex-based approaches**: Other regex patterns can be used to extract URL components. These alternatives might offer trade-offs in terms of performance, readability, or feature set compared to the `new URL` constructor and Host RegEx approach.
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