Benchmark: test jsss - MeasureThat.net

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

var array = ['banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', 'banana', 'sausage', 'jesus', "TEST"]

Tests:

Index Off
array.indexOf('TEST') > -1
Some
array.some(v => v === 'TEST')
Includes
array.includes('TEST')

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Index Off
Some
Includes

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition and explain what's being tested, compared, and their pros and cons.

**Benchmark Definition JSON**

The benchmark consists of three test cases: `Index Off`, `Some`, and `Includes`. Each test case has a unique JavaScript expression that is executed repeatedly to measure its performance.

* **`Array.indexOf('TEST') > -1`**: This test checks if the array contains the string `'TEST'`. It's using the `indexOf()` method, which returns the index of the first occurrence of the specified value. If the value is not found, it returns `-1`.
* **`array.some(v => v === 'TEST')`**: This test uses the `some()` method to check if any element in the array matches the condition `v === 'TEST'`. It's a more concise way to achieve the same result as using a loop with `indexOf()`.
* **`array.includes('TEST')`**: This test uses the `includes()` method, which checks if the array contains the specified value. If the value is found, it returns `true`; otherwise, it returns `false`.

**Comparison**

These three methods are compared to determine which one is the most efficient.

**Pros and Cons**

* **`indexOf()`**: Pros:
	+ More readable code
	+ Can be used for finding indices of all elements matching a value
Cons:
	+ May perform additional checks (e.g., checking if the array has sufficient length)
	+ Can return `-1` even if the element is not found, but in this case, we're only interested in a specific index.
* **`some()`**: Pros:
	+ More concise code
	+ Stops iterating as soon as it finds the first match (can be beneficial for large arrays)
Cons:
	+ May be slower due to the way it's implemented
* **`includes()`**: Pros:
	+ Very concise and expressive code
	+ Optimized for performance, especially in modern browsers
Cons:
	+ Newer method, might not work in older browsers

**Results**

The latest benchmark results show that:

1. `array.includes('TEST')` is the fastest ( execution time: 10516533.0 executions/second)
2. `array.some(v => v === 'TEST')` is slower than `includes()` but faster than `indexOf()` ( execution time: 2593209.75 executions/second)
3. `array.indexOf('TEST') > -1` is the slowest ( execution time: 1275154.375 executions/second)

Keep in mind that these results may vary depending on the specific use case, array size, and browser versions.

Overall, the results suggest that `includes()` is a good choice for this specific test, followed closely by `some()`, with `indexOf()` being less efficient due to its additional checks.

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/100.0.4896.127 Safari/537.36

Browser/OS: Chrome 100 on Windows

View result in a separate tab

Test name	Executions per second
Index Off	1275154.4 Ops/sec
Some	2593209.8 Ops/sec
Includes	10516533.0 Ops/sec

Related benchmarks:

test jsss (version: 0)

test jssss

Comparing performance of: Index Off vs Some vs Includes

Created: 2 years ago by: Guest

Jump to the latest result

Index Off

Some

Includes

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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