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Array.includes vs String.match, single pattern
(version: 0)
See whether Array.includes is more performant than String.match for a single pattern.
Comparing performance of:
Array.includes vs String.match
Created:
3 years ago
by:
Guest
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Tests:
Array.includes
const testStrMatch = 'foo'; ['foo'].includes(testStrMatch); const testStrNotMatch = 'bar'; ['foo'].includes(testStrNotMatch);
String.match
const testStrMatch = 'foo'; testStrMatch.match('foo'); const testStrNotMatch = 'bar'; testStrNotMatch.match('foo');
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Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
Array.includes
String.match
Fastest:
N/A
Slowest:
N/A
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Autogenerated LLM Summary
(model
llama3.2:3b
, generated one year ago):
Let's break down the provided benchmark and explain what is being tested, compared, and their pros/cons. **What is being tested?** Two microbenchmarks are being compared: 1. `Array.includes` with a single pattern search 2. `String.match` with a single pattern search These tests aim to measure the performance of these two functions in finding a specific value within an array and matching a string against a pattern, respectively. **Options compared:** The primary options being compared are: * Array `includes` * String `match` **Pros and Cons:** 1. **Array `includes`**: * Pros: + Widely supported across browsers and platforms. + Simple and intuitive syntax. + Efficient in most cases, especially for arrays of known size. * Cons: + May not perform well on large or sparse arrays. + Can be slower than `String.match` for certain string manipulations. 2. **String `match`**: * Pros: + Suitable for more complex pattern matching (e.g., regular expressions). + Can be faster for certain string operations, like searching for a substring. * Cons: + Less widely supported across browsers and platforms compared to `Array.includes`. + More verbose syntax can lead to increased code complexity. **Library usage:** In the provided benchmark, no specific libraries are used beyond what is native to JavaScript. However, in more complex pattern matching scenarios, you might use libraries like: * `RegExp` for regular expression support * `DOMParser` or other string parsing libraries for more advanced string manipulation **Special JS features or syntax:** There are no special JavaScript features or syntax mentioned in the provided benchmark. **Other alternatives:** If you need to compare performance of different methods for array or string searching, consider using alternative approaches like: * Binary search algorithms (e.g., `Array.prototype.binarySearch`) * Regular expression support with `RegExp` * String manipulation libraries like `DOMParser` or `string-parsing` libraries In the context of the provided benchmark, these alternatives might not offer significant performance improvements over `Array.includes` and `String.match`, respectively.
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