Benchmark: Ga cookie grabber . end

Script Preparation code:

var cookie = "_ga=GA1.1.12345678.87654321"

Tests:

Split
cookie.split("_ga=")[1].split(";")[0].split(".").splice(2).join('.')
Regex
cookie.match(/_ga=GA1\.[0-9]{1}\.([^;]+)/)[1];

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Split
Regex

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.

Let's dive into the world of MeasureThat.net and explore what's being tested in this benchmark.

**What is being tested?**

MeasureThat.net is testing two different approaches to extract the Google Analytics cookie value from a string: `split` method and regular expression (regex) method. The benchmark is designed to measure the performance difference between these two methods on modern browsers, specifically Chrome 100, running on Windows 10.

**Options compared**

There are only two options being compared:

1. **Split method**: This approach uses the `split()` method with a custom delimiter (`"_ga="`) to extract the cookie value.
2. **Regex method**: This approach uses regular expressions to match and extract the Google Analytics cookie value from the string.

**Pros and Cons**

Here's a brief summary of each approach:

**Split Method**

Pros:

* Easy to understand and implement
* Fast and efficient for simple cases

Cons:

* May not work correctly for more complex cases or edge scenarios
* Can be slower than regex due to the overhead of `split()` method

**Regex Method**

Pros:

* Highly flexible and can handle complex patterns and edge cases
* Can be faster than split method for large inputs

Cons:

* More complex to understand and implement, especially for those new to regex
* May introduce additional overhead due to parsing and compiling the regex pattern

**Library usage**

There is no explicit library usage in this benchmark. However, it's worth noting that MeasureThat.net often uses libraries like `jsperf` or custom implementations to measure performance.

**Special JS feature or syntax**

There are no special JavaScript features or syntax mentioned in this benchmark. The code snippets provided use standard ECMAScript 5 and later features.

**Other alternatives**

If the test cases were more complex or required additional processing, other approaches might be considered:

* **String manipulation libraries**: Libraries like `lodash` or `underscore` provide optimized string manipulation functions that could potentially outperform the built-in `split()` method.
* **Custom implementations**: Optimized custom implementations using assembly-like languages like WebAssembly or custom JavaScript engines might offer even better performance.

In summary, this benchmark tests two simple approaches to extract a Google Analytics cookie value from a string: split method and regex method. The results show that both methods have different performance characteristics, with the regex method potentially offering better performance for large inputs.

Related benchmarks:

Ga cookie grabber . end (version: 0)

Ga

Comparing performance of: Split vs Regex

Created: 4 years ago by: Guest

Jump to the latest result

Split

Regex

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):