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Includes vs ===
(version: 0)
Comparing performance of:
includes vs ===
Created:
6 years ago
by:
Guest
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Tests:
includes
const string = "localhost:3000/test"; return string.includes("/test!")
===
const string = "localhost:3000/test"; return (string === "localhost:3000/test")
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Suite status:
<idle, ready to run>
Run tests (2)
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Test case name
Result
includes
===
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's being tested. **Benchmark Overview** The test compares two different approaches to string comparison in JavaScript: 1. `===` (strict equality) 2. `includes()` method **Options Compared** * Option 1: Using the strict equality operator (`===`) to compare two strings. * Option 2: Using the `includes()` method on a string to check if another string is present within it. **Pros and Cons of Each Approach** ### Strict Equality Operator (===) Pros: * Fast execution, as it's a simple bitwise operation. * Easy to read and understand, especially for simple comparisons. * Works well with primitive values like numbers, booleans, etc. Cons: * Can lead to unexpected results when dealing with strings that contain non-ASCII characters or special characters. This is because JavaScript treats strings as sequences of Unicode code points, not ASCII characters. * Not designed for substring matching; it's meant for exact equality checks only. ### includes() Method Pros: * Designed specifically for substring matching and can handle a wide range of cases, including non-ASCII characters and special characters. * Returns a boolean value indicating whether the string is present within another string. Cons: * Generally slower than using `===` due to its more complex implementation. * May not be as readable or intuitive as using `===`, especially for simple comparisons. **Library Used** The `includes()` method uses the `String.prototype.includes()` function, which is a part of the JavaScript standard library. This function is implemented by most modern browsers and engines. **Special JS Feature/Syntax** There's no special JavaScript feature or syntax mentioned in this benchmark. It only involves basic string comparison using `===` and `includes()`.
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