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endsWith vs Regex aspx
(version: 0)
Comparing performance of:
Regex vs endsWith
Created:
2 years ago
by:
Guest
Jump to the latest result
Tests:
Regex
"we/word.aspx".match(".aspx$")
endsWith
"we/word.aspx".endsWith(".aspx")
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
Regex
endsWith
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (iPhone; CPU iPhone OS 17_3_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.3.1 Mobile/15E148 Safari/604.1
Browser/OS:
Mobile Safari 17 on iOS 17.3.1
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Embed Benchmark Result
<iframe src="https://measurethat.net/Embed?id=509243" width="100%" height="500px"></iframe>
Test name
Executions per second
Regex
18885474.0 Ops/sec
endsWith
57904288.0 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what's being tested. **Benchmark Definition** The benchmark definition is a JSON object that describes the two test cases: `endsWith` and `Regex`. The script preparation code is empty, which means that the JavaScript engine will start with an empty scope. The HTML preparation code is also empty, indicating that no HTML-related setup is required. In the "Benchmark Definition" section, we have two test cases: 1. `"we/word.aspx".endsWith(".aspx")"`: This test case uses the `endsWith` method to check if a string ends with a specific suffix. 2. `"we/word.aspx".match(".aspx$")`: This test case uses the `match` method to search for a pattern in a string. **Options Compared** The two test cases are comparing the performance of using the `endsWith` method versus the `match` method with a regular expression (`$.aspx`) to check if a string ends with a specific suffix. **Pros and Cons** Here's a brief summary of the pros and cons of each approach: 1. **endsWith Method**: This method is more efficient for simple string matching tasks, as it uses a built-in optimization technique that avoids creating a temporary string object. * Pros: faster execution time, less memory usage * Cons: only works with strings ending with a specific suffix, limited to specific use cases 2. **Regex Method**: This method is more flexible and can be used for more complex pattern matching tasks. * Pros: versatile, can match any string pattern, suitable for various use cases * Cons: slower execution time, increased memory usage due to regular expression compilation **Library** There is no explicit library mentioned in the benchmark definition. However, the `endsWith` method and the `match` method are built-in JavaScript methods that don't rely on external libraries. **Special JS Features or Syntax** The test cases do not use any special JavaScript features or syntax, such as async/await, Promises, or modern ES6+ features. **Alternatives** Other alternatives for string matching include: 1. `startsWith` method: Similar to `endsWith`, but checks if a string starts with a specific prefix. 2. Regular expression libraries like `RegExp`: Can be used for more complex pattern matching tasks. 3. String manipulation libraries like Lodash or Underscore.js: Provide additional utility functions for string manipulation and matching. Keep in mind that the performance difference between these alternatives may vary depending on the specific use case and JavaScript engine being used.
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