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new Url vs test RegEx speed
(version: 1)
Comparing performance of:
new URL vs RegEx
Created:
one year ago
by:
Guest
Go to the latest result
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');
RegEx
return /((http|ftp|https):\/\/)?(([\w.-]*)\.([\w]*))/.test('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')
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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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:
one year ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:136.0) Gecko/20100101 Firefox/136.0
Browser/OS:
Firefox 136 on Linux
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=597605" width="100%" height="500px"></iframe>
RegEx
25.5M/s
new URL
534K/s
View exact numbers
Test name
Executions per second
✓
RegEx
25,475,544 Ops/sec
new URL
534,351 Ops/sec
Autogenerated LLM Summary
(model
gpt-4o-mini
, generated one year ago):
The benchmark you provided compares two different methods for parsing and testing URLs in JavaScript: creating a new URL object using the `new URL()` constructor and using a Regular Expression (RegEx) to validate the URL format. ### Options Being Compared 1. **`new URL()` Constructor** - **Test Case:** `return new URL('https://...');` - **Purpose:** The `new URL()` constructor is part of the standard JavaScript API designed to parse a string as a URL and return a URL object. This object provides properties and methods to access different components of the URL, such as protocol, hostname, pathname, etc. 2. **Regular Expression Testing** - **Test Case:** `return /((http|ftp|https):\/\/)?(([\\w.-]*)\\.([\\w]*))/.test('https://...');` - **Purpose:** This approach utilizes a Regular Expression to check if a given string matches the URL pattern specified in the regex. If it matches, it indicates that the string has the format of a URL. ### Pros and Cons of Different Approaches #### `new URL()` - **Pros:** - **Built-in Handling:** Automatically handles various URL components (like query strings and hash fragments) efficiently and accurately. - **Simplicity:** Easy to use and understand, especially for developers familiar with object-oriented programming. - **Robustness:** Provides built-in error handling; if the URL is invalid, it throws an error. - **Cons:** - **Performance:** Creating a new URL object can be more resource-intensive compared to simple RegEx matching, particularly in scenarios with high volumes of URLs that need validation without further inspection. - **Browser Compatibility:** While widely supported, older browsers may not fully support the `URL` API. #### Regular Expressions - **Pros:** - **Performance:** Tends to be faster for simple format validation, as it avoids the overhead of creating an object. - **Flexibility:** Very customizable; developers can modify the regex to cater to specific URL formats or conditions. - **Cons:** - **Complexity:** Writing and maintaining regex can be complex and error-prone, especially for complex URL patterns. - **Limitations:** Does not parse the URL into its components; it only checks for a match against the pattern. Handling of invalid URLs would need to be conducted explicitly. - **Potential for Incomplete Validation:** Simple regex patterns may allow for invalid URLs to pass through if not carefully defined. ### Other Considerations - **Use Case:** The choice between these two methods should be informed by the specific use case. If parsing entire URLs and accessing parts are necessary, `new URL()` is preferable. Conversely, if simple validation is all that's needed, regex may suffice. ### Alternatives - **Third-party Libraries:** Libraries like `validator.js` or `url-parse` offer more comprehensive validation or parsing utilities that can include more features and edge cases than what JavaScript built-in methods offer. - **Custom Parsing Functions:** If performance is a critical concern, developers can also implement lightweight, custom URL validation logic tailored to their specific requirements, balancing performance and correctness. In summary, the benchmark is testing two popular methods of URL parsing and validation in JavaScript, presenting their advantages and limitations. The results indicate that the regex approach provides significantly higher execution speeds compared to the `new URL()` constructor under these test conditions, which might suggest its suitability for high-performance scenarios.
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