Benchmark: includes vs === v1

Script Preparation code:

var stringToMatch = 'hello';

Tests:

===
stringToMatch === 'hello'
include
['hello'].includes(stringToMatch)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
===
include

Fastest: N/A

Slowest: N/A

Latest run results:

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

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I'll break down the provided JSON for you.

**Benchmark Overview**

The benchmark measures the performance difference between two approaches: using the strict equality operator (`===`) and using the `includes` method on an array. The test checks which approach is faster in JavaScript.

**Script Preparation Code**

The script preparation code defines a variable `stringToMatch` with the value `'hello'`. This string will be used as input for both test cases.

**Individual Test Cases**

There are two individual test cases:

1. **===**: This test case uses the strict equality operator (`===`) to compare `stringToMatch` with `'hello'`.
2. **include**: This test case uses the `includes` method on an array containing `stringToMatch`. The array is not explicitly defined in this JSON, but it's likely that the benchmark script creates an array `[stringToMatch]`.

**Options Comparison**

The two options being compared are:

1. Using the strict equality operator (`===`)
2. Using the `includes` method on an array

Here are the pros and cons of each approach:

**===**

Pros:

* Simple to implement and understand
* Fast, as it's a simple comparison operation

Cons:

* May not be suitable for certain data types (e.g., NaN or undefined)
* Does not support pattern matching or regular expressions

**include**

Pros:

* More flexible than `===`, as it supports pattern matching and regular expressions
* Suitable for arrays of strings, numbers, or other datatypes

Cons:

* Slower than `===` due to the overhead of searching for a substring in an array
* May be less readable, especially for non-technical users

**Library Used**

The `includes` method is a built-in JavaScript method that's part of the ECMAScript standard. It's used by most modern browsers and Node.js environments.

**Special JS Feature/Syntax**

There are no special JavaScript features or syntaxes mentioned in this benchmark. Both test cases use standard JavaScript operators (`===`) and methods (`includes`).

**Other Alternatives**

If you were to implement a similar benchmark, you could also consider the following alternatives:

1. Using `String.prototype.includes()`: This method is similar to `includes`, but it's called on the string object itself.
2. Using regular expressions: You could use regular expressions to match strings, which might be faster than using `includes`.
3. Using a different data structure: Instead of an array, you could use a different data structure like a set or a map.

Keep in mind that the best approach depends on the specific requirements and constraints of your project.

Related benchmarks:

includes vs === v1 (version: 0)

Comparing performance of: === vs include

Created: 2 years ago by: Guest

Jump to the latest result

===

include

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):