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h_test1
(version: 0)
Comparing performance of:
t1 vs t2
Created:
2 years ago
by:
Guest
Go to the latest result
Tests:
t1
var a = ['hello', 'a', 'bc']; var b = false; for (var i = 0; i < a.length; i++) { if (a[i] === "bc") { b = true; } }
t2
var a = ['hello', 'a', 'bc']; var b; b = a.some(function(value) { return value === 'bc' });
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
t1
t2
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
2 years ago
)
User agent:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36
Browser/OS:
Chrome 124 on Mac OS X 10.15.7
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<iframe src="https://measurethat.net/Embed?id=522947" width="100%" height="500px"></iframe>
t2
54.4M/s
t1
52.9M/s
View exact numbers
Test name
Executions per second
✓
t2
54,416,580 Ops/sec
t1
52,925,912 Ops/sec
Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net. **What is being tested?** The provided JSON represents two individual test cases, each with its own benchmark definition. The benchmark definitions are small pieces of JavaScript code that perform a specific operation or comparison. In the first test case (`t1`), we have: ```javascript var a = ['hello', 'a', 'bc']; var b = false; for (var i = 0; i < a.length; i++) { if (a[i] === "bc") { b = true; } } ``` This code iterates over the array `a` and checks if any element is equal to the string `"bc"`. If it finds such an element, it sets the variable `b` to `true`. In the second test case (`t2`), we have: ```javascript var a = ['hello', 'a', 'bc']; var b; b = a.some(function(value) { return value === 'bc'; }); ``` This code uses the `some()` method of the array, which returns `true` as soon as it finds an element that satisfies the condition. In this case, the condition is `value === 'bc'`. If such an element is found, the variable `b` is set to `true`. **Options being compared** In this test, we're comparing two approaches: 1. **Traditional for loop**: The first test case uses a traditional for loop to iterate over the array and check if any element matches the condition. 2. **Array method (`some()`)**: The second test case uses the `some()` method of the array, which is a more concise and efficient way to perform similar operations. **Pros and cons** * **Traditional for loop**: + Pros: Easy to understand and implement, can be useful for debugging. + Cons: Less efficient than other methods, may not scale well for large arrays. * **Array method (`some()`)**: + Pros: More concise, efficient, and scalable, especially for larger arrays. + Cons: May be less intuitive for beginners, requires understanding of the `some()` method. **Library and its purpose** In neither of the test cases is a library used explicitly. However, it's worth noting that the `some()` method is a built-in JavaScript function, which means it doesn't require any additional libraries to work. **Special JS features or syntax** There are no special JS features or syntax used in these benchmark definitions. **Other alternatives** If we were to consider other alternatives for this benchmark, some options might include: * Using `every()` instead of `some()`, which would iterate over the array and return `true` only if all elements satisfy the condition. * Using a regular expression to match the desired pattern, rather than iterating over the array manually. However, these alternatives may not provide significant performance benefits for this specific benchmark, as the code is already quite concise and efficient.
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