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String Comparison vs Int Comparison
(version: 0)
Comparing performance of:
String Comparison vs Int Comparison
Created:
4 years ago
by:
Guest
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Tests:
String Comparison
let num = 255; let nums = []; for(let i = 0; i < 100; ++i) { if ('001' === '001') { nums.push(i); } }
Int Comparison
let num = 255; let nums = []; for(let i = 0; i < 100; ++i) { if (1 === 1) { nums.push(i); } }
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
String Comparison
Int Comparison
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
9 months ago
)
User agent:
Mozilla/5.0 (X11; Linux x86_64; rv:139.0) Gecko/20100101 Firefox/139.0
Browser/OS:
Firefox 139 on Linux
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<iframe src="https://measurethat.net/Embed?id=620361" width="100%" height="500px"></iframe>
Int Comparison
4.0M/s
String Comparison
3.7M/s
View exact numbers
Test name
Executions per second
✓
Int Comparison
3,991,408 Ops/sec
String Comparison
3,745,492 Ops/sec
Autogenerated LLM Summary
(model
gemma2:9b
, generated one year ago):
This benchmark compares the performance of comparing strings to comparing integers in JavaScript. **Options Compared:** * **String Comparison:** The test case uses `'001' === '001'` to compare two string values. * **Int Comparison:** The test case uses `1 === 1` to compare two integer values. **Pros and Cons:** * **String Comparison:** While JavaScript can handle numerical comparisons with strings, comparing them often leads to slower performance as the engine needs to convert strings to numbers before making a comparison. * **Int Comparison:** Comparing integers directly is generally faster because it's a more straightforward operation for the JavaScript engine. Integers are already in a format suitable for direct comparison. **Other Considerations:** * The benchmark code iterates 100 times, likely to get statistically relevant performance measurements. * In real-world applications, string comparisons might be necessary when working with data that is inherently textual, even if it represents numbers (e.g., user input). **Alternatives:** Depending on your use case, you could consider: * **Using `Number()` conversion:** You could convert strings to numbers before comparing them (`Number('001') === Number('001')`). This might be faster than direct string comparison in some cases. **Important Note:** The actual performance difference between these approaches can vary depending on factors like the specific JavaScript engine being used, the complexity of your application, and other optimizations you have in place.
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