Benchmark: > or !=== - MeasureThat.net

Script Preparation code:

arrayToFind = ["1","2","3"]

Tests:

gt -1
const condition = arrayToFind.indexOf("3") > -1
not equal
const condition = arrayToFind.indexOf("3") !== -1

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
gt -1
not equal

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 3 years ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

Browser/OS: Chrome 86 on Mac OS X 10.15.6

View result in a separate tab

Test name	Executions per second
gt -1	6379145.5 Ops/sec
not equal	6303238.5 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll provide an explanation of the benchmark, its options, pros and cons, and other considerations.

**Benchmark Definition**

The provided JSON defines two benchmark test cases:

1. `"> or !==="`:
This test case compares the `indexOf()` method's behavior when using the greater-than (`>`) operator versus the "not equal" (`!==`) operator.
2. The first test case checks if the element "3" is present in the array `arrayToFind` with an index greater than -1, which means it should return `true` since the index of "3" is 2 (0-based indexing).
3. The second test case checks if the element "3" is present in the array `arrayToFind` and not equal to -1, which also returns `true`.

**Options Compared**

The two options being compared are:

* Using the greater-than (`>`) operator with `indexOf()`: `condition = arrayToFind.indexOf("3") > -1`
* Using the "not equal" (`!==`) operator with `indexOf()`: `condition = arrayToFind.indexOf("3") !== -1`

**Pros and Cons**

* **Using the greater-than (`>`) operator:**
	+ Pros:
		- Simpler to understand and write.
		- Faster for most cases since it's a simple comparison.
	+ Cons:
		- May not work correctly if `indexOf()` returns -2 (in older browsers) or if the element is at the end of the array.
* **Using the "not equal" (`!==`) operator:**
	+ Pros:
		- More robust since it handles edge cases like -1 and out-of-bounds indices.
	+ Cons:
		- May be slower due to the additional comparison.

**Library Usage**

The `indexOf()` method is a built-in JavaScript function, which means no library is required for its usage. However, if you're using an older browser that doesn't support this method, you might need to use a polyfill or alternative implementation.

**Special JS Features and Syntax**

There's no special feature or syntax being tested in these benchmark cases. The only thing being checked is the behavior of the `indexOf()` method with different operators.

**Other Alternatives**

If you were to write your own benchmark for comparing the behavior of `indexOf()` with different operators, you could use a loop-based approach to iterate over an array and check if an element is present at each index. However, using the built-in `indexOf()` function is generally more efficient and accurate.

In general, when writing benchmarks or performance tests, it's essential to:

* Clearly define what you're testing and why.
* Use a representative dataset or test case.
* Choose relevant metrics (e.g., executions per second).
* Consider edge cases and potential issues.
* Test with different browsers, versions, and platforms to ensure broad compatibility.

Related benchmarks:

> or !=== (version: 0)

Comparing performance of: gt -1 vs not equal

Created: 3 years ago by: Guest

Jump to the latest result

gt -1

not equal

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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