Benchmark: Split string return first part

Tests:

Split
"1213253612563.1231231231".split('.')[0]
Regex
"1213253612563.1231231231".replace(/\?.*/,'');

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):

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**Overview of the Benchmark**

The provided benchmark measures the performance of two different string manipulation operations: splitting and replacing strings with regular expressions.

**What is being tested?**

1. **String Split**: The first test case, "Split", tests how fast browsers can split a large number into its integer part using the `split()` method.
2. **Regular Expression Replacement**: The second test case, "Regex", tests how fast browsers can replace a string with a regular expression pattern.

**Options compared**

For both tests, the benchmark compares two different approaches:

1. **Native JavaScript implementation**: This is the built-in way to perform string manipulation operations in JavaScript.
2. **Third-party library or function**: In this case, no third-party library or function is used.

**Pros and Cons of each approach**

1. **Native JavaScript implementation**
	* Pros:
		+ Typically faster and more efficient
		+ Easier to implement and understand for developers familiar with the language
	* Cons:
		+ May not support advanced features or edge cases that require a third-party library
2. **Third-party library or function**
	* Pros:
		+ Often provides additional features, error handling, and optimizations
		+ Can be more reliable and consistent in its behavior
	* Cons:
		+ Typically slower than the native implementation
		+ Requires an external dependency, which can add overhead

**Library used (if any)**

In this case, no third-party library or function is explicitly mentioned. The benchmark uses only built-in JavaScript functions.

**Special JS features or syntax**

None of the test cases use any special JavaScript features or syntax that would require a deeper understanding of the language.

**Other alternatives**

For string manipulation operations, other alternatives to `split()` and regular expressions include:

1. **Substring extraction using indexing**: Some browsers provide faster substring extraction using indexing, e.g., `str.charCodeAt(0)` or `str.charAt(0)`.
2. **Using a library like String-Panorama**: This library provides optimized string manipulation functions, including splitting and replacing strings.

**Benchmark preparation code**

The provided benchmark preparation code is empty (`"Script Preparation Code": null` and `"Html Preparation Code": null`). This suggests that the benchmark focuses on measuring the performance of the JavaScript implementation itself, without considering any additional overhead from HTML or script loading.

Related benchmarks:

Split string return first part (version: 0)

Comparing performance of: Split vs Regex

Created: 5 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):