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testds
(version: 0)
yesy
Comparing performance of:
toString vs every
Created:
3 years ago
by:
Guest
Jump to the latest result
Script Preparation code:
var arr = ['1','2','3','4','5','6','7','8'] var arr2 = ['1','2','3','4','5','6','7','8']
Tests:
toString
arr.toString() === arr2.toString()
every
if (arr.length === arr2.length) { return arr.every((element, index) => { if (element === arr2[index]) { return true; } return false; })};
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
toString
every
Fastest:
N/A
Slowest:
N/A
Latest run results:
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
I'd be happy to explain what's being tested on the provided JSON. The benchmark is designed to test two different JavaScript functions: `toString()` and `every()`. The tests are comparing the performance of these functions on identical input data. Let's break down each test case: **Test Case 1: "toString"** * The benchmark definition checks if the result of calling `arr.toString()` is equal to the result of calling `arr2.toString()`. * Both arrays, `arr` and `arr2`, contain the same elements: numbers from 1 to 8. * The purpose of this test is likely to measure how quickly JavaScript can compare two strings (the results of `toString()` calls) using a simple equality check. Pros: * Simple and straightforward test case * Easy to understand and execute Cons: * Only tests a single aspect of the function's behavior (equality checking) * Doesn't cover more complex scenarios, like edge cases or performance under heavy load **Test Case 2: "every"** * The benchmark definition checks if the result of calling `arr.every((element, index) => { ... })` is equal to `true`. * The callback function inside `every()` iterates over each element in the array and checks if it's equal to the corresponding element in `arr2`. If any mismatch is found, the function returns `false`. Pros: * Tests a more comprehensive aspect of the function's behavior (iteration and comparison) * Can reveal issues with performance under heavy load or complex data structures Cons: * More complex test case due to the nested callback function * May be less representative of real-world usage scenarios **Library: None** There are no external libraries being used in these benchmark definitions. **Special JavaScript feature: `every()` with callback functions** The `every()` method is a built-in JavaScript function that iterates over an array and returns `true` if all elements pass the test (i.e., return `true`). The callback function passed to `every()` allows for more fine-grained control over the iteration process. In this benchmark, the callback function used in `every()` checks for exact equality between corresponding elements. This is a common use case for `every()`, but it may not be representative of all scenarios where `every()` is used. **Other alternatives** To compare these results with other browsers or JavaScript engines, the benchmark can be modified to include different: * Browsers: Different versions or profiles of Chrome, Firefox, Edge, etc. * Devices: Mobile devices, tablets, or laptops * Operating Systems: Windows, macOS, Linux, etc. * Network conditions: With or without network throttling * Hardware configurations: With varying CPU speeds, memory, or disk storage By exploring these alternatives, you can gain a better understanding of how different browsers and environments affect the performance of JavaScript functions like `toString()` and `every()`.
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