Benchmark: string comparision

Script Preparation code:

var s = "test bianco dinamico"

Tests:

indexOf
s.indexOf('bianco') !== -1
includes
s.includes('bianco')
compare
s === "test bianco dinamico"

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
indexOf
includes
compare

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 the benchmark being tested and the options compared.

**Benchmark Definition**

The benchmark tests three string comparison methods: `indexOf`, `includes`, and `compare`. The script preparation code defines a variable `s` with a dynamic string value `"test bianco dinamico"`. This string contains an Italian word "bianco" which is likely used to test the comparison methods.

**Options Compared**

The benchmark compares three options:

1. **indexOf**: Returns the index of the first occurrence of the specified value ("bianco") in the string. If not found, returns -1.
2. **includes**: Returns a boolean indicating whether the string contains the specified value ("bianco").
3. **compare**: Uses the `===` operator to compare the string with another exact match ("test bianco dinamico").

**Pros and Cons**

* **indexOf**:
	+ Pros: Fast and efficient, returns an index value.
	+ Cons: Returns -1 if not found, which can be considered as a false positive.
* **includes**:
	+ Pros: Faster than `indexOf` for large strings, returns a boolean value indicating presence or absence.
	+ Cons: May be slower than `indexOf` in some cases, returns a boolean value that may require additional checks.
* **compare**:
	+ Pros: Exact match comparison, reliable results.
	+ Cons: Slower than the other two options, requires an exact string match.

**Library and Special JS Features**

There are no libraries used in this benchmark. However, the script preparation code uses a dynamic string value `"test bianco dinamico"`, which is a valid JavaScript syntax. The use of double quotes (`"`) to define strings is a common practice in JavaScript.

**Other Alternatives**

If you wanted to test alternative string comparison methods, you could consider:

* `startsWith` and `endsWith`: These methods are similar to `indexOf` but return only the starting or ending index of the specified value.
* `includesExact` (not a standard method): This would be similar to `compare` but might have different performance characteristics.
* Regular expressions: You could use regular expression patterns (`/bianco/i`) to test string matching, which might offer more flexibility than simple comparison methods.

Keep in mind that these alternatives may not be as widely supported or optimized as the standard methods tested by MeasureThat.net.

Related benchmarks:

string comparision (version: 0)

strings comparision

Comparing performance of: indexOf vs includes vs compare

Created: 4 years ago by: Guest

Jump to the latest result

indexOf

includes

compare

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):