Benchmark: Bzy INCLUDES, EXEC, MATCH Regex test

Tests:

includes
if (["inactive", "background"].includes("inactive")) { console.log("hello world"); }
match
if ("inactive".match(/inactive|background/)) { console.log("hello world"); }
exec
if (/inactive|background/.exec("inactive")) { console.log("hello world"); }

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
includes
match
exec

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 7 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36 OPR/120.0.0.0 (Edition Yx 05)

Browser/OS: Opera 120 on Windows

View result in a separate tab

Test name	Executions per second
includes	328619.9 Ops/sec
match	304043.0 Ops/sec
exec	302093.3 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's dive into the world of JavaScript microbenchmarks on MeasureThat.net.

**What is being tested?**

The provided benchmark measures the performance difference between three different approaches to test for the presence of specific strings in JavaScript:

1. `includes()`: This method checks if a string includes another string.
2. `match()` : This method searches a string for a regular expression pattern and returns an array containing information about each match (which can be null if there are no matches).
3. `exec()` : This method executes a regular expression on a string and returns the result.

**Options being compared**

The benchmark compares the performance of these three approaches:

* **`includes()`**: Checks if a substring is present in the original string.
* **`match()`**: Uses a regular expression to search for the specified pattern in the original string. If no match is found, it returns null.
* **`exec()`**: Executes a regular expression on the original string and returns the result.

**Pros and Cons**

Here's a brief summary of each approach:

* **`includes()`**:
	+ Pros: Fast and simple to use.
	+ Cons: Can lead to false positives if not used carefully (e.g., checking for presence of a substring that is not what you want).
* **`match()`**: 
	+ Pros: Can be used with regular expressions, which provide more advanced string matching capabilities.
	+ Cons: Can be slower than `includes()` and returns an array even if no match is found.
* **`exec()`**:
	+ Pros: Provides more control over the search process through regular expression patterns.
	+ Cons: Can be slower than `includes()` and may not be suitable for all use cases (e.g., searching for substrings).

**Library usage**

None of the benchmark test cases explicitly uses a JavaScript library. However, it's worth noting that MeasureThat.net might use libraries internally to manage the benchmarking process.

**Special JS features or syntax**

None of the provided code snippets use any special JavaScript features or syntax beyond regular expressions.

**Other alternatives**

If you're looking for alternative approaches to test for string presence in JavaScript, consider:

* Using a library like Lodash's `includes()` function
* Implementing a custom search function using bitwise operations or other optimizations

Keep in mind that the best approach depends on your specific use case and performance requirements.

I hope this explanation helps software engineers understand the benchmark being tested on MeasureThat.net!

Related benchmarks:

Bzy INCLUDES, EXEC, MATCH Regex test (version: 0)

Comparing performance of: includes vs match vs exec

Created: one year ago by: Guest

Jump to the latest result

includes

match

exec

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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