Benchmark: includes VS === - MeasureThat.net

Script Preparation code:

var array1 = ['sausage'];
var string1 = 'sausage';

Tests:

test 1
array1.includes(string1)
test 2
string1 === 'sausage'

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
test 1
test 2

Fastest: N/A

Slowest: N/A

Latest run results:

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

LLMs can make mistakes. Check important info.

I'd be happy to explain what's tested in the provided benchmark.

**What is being measured?**

The benchmark tests two different JavaScript expressions:

1. `array1.includes(string1)`
2. `string1 === 'sausage'`

These expressions are compared to each other, and the results are stored in a JSON object.

**Options being compared:**

There are two options being compared:

* `includes()`: This method is used to test whether an element exists in an array.
* `===` (double equals): This operator is used for strict equality checking.

**Pros and cons of each approach:**

1. **`includes()`**: This method is generally faster than using the `===` operator because it avoids creating a temporary string object. However, it's also less intuitive for developers who are not familiar with the method.
2. **`===` (double equals)**: This operator is more intuitive and widely used, but it may be slower due to the creation of a temporary string object.

**Other considerations:**

* In modern JavaScript engines, the `includes()` method has become a standard way to check for presence in arrays, making it a good choice.
* The use of `===` with strings can lead to unexpected results if the strings are not properly compared (e.g., due to locale differences).

**Library usage:**

There is no explicit library mentioned in this benchmark. However, the `includes()` method is implemented in the ECMAScript standard and is supported by all modern JavaScript engines.

**Special JS feature or syntax:**

There is no special JavaScript feature or syntax used in this benchmark that's not widely supported.

**Benchmark preparation code:**

The script preparation code creates two variables:

* `array1`: an array containing a single string element `'sausage'`.
* `string1`: a variable assigned the value of `array1[0]`.

This code is executed only once before running the benchmark tests.

Related benchmarks:

includes VS === (version: 0)

Comparing performance of: test 1 vs test 2

Created: 4 years ago by: Guest

Jump to the latest result

test 1

test 2

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):