Benchmark: Test Testmark - MeasureThat.net

Script Preparation code:

var date = "02/11/2022";
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];

Tests:

split
var a = date.split('/'); a[1] + ' ' + months[a[0]-1] + ' ' + a[2].substr(2);
substr
date.substr(0,2) + '' + months[date.substr(3,2)-1] + '' + date.substr(8,2)
substring
date.substring(0,2) + '' + months[date.substring(3,5)-1] + '' + date.substring(8,10)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
split
substr
substring

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 break down what's being tested in the provided JSON benchmark.

**Script Preparation Code**

The script preparation code is used to set up the environment for the benchmark tests. In this case, it defines two variables:

* `date`: a string representing a date in the format "MM/DD/YYYY"
* `months`: an array of month names (January to December)

These variables are used as input data for the benchmark tests.

**Html Preparation Code**

The html preparation code is empty, which means that no HTML is generated for this benchmark.

**Individual Test Cases**

There are three test cases defined:

1. **split**: This test case uses the `date` variable and attempts to extract a substring from it using the `split()` method.
2. **substr**: This test case also uses the `date` variable, but this time it attempts to extract a specific substring using the `substr()` method (without any parameters).
3. **substring**: Similar to the `substr` test case, but instead of using `substr()`, it uses the `substring()` method.

**Options Compared**

The three test cases compare different ways of extracting substrings from the `date` variable:

* `split()` method with a hardcoded separator (`'/'`)
* `substr()` method without any parameters
* `substring()` method with hardcoded start and end indices

**Pros and Cons of Each Approach**

1. **split()**: This approach is easy to read and understand, as it uses a simple and well-known method for splitting strings. However, it may not be the most efficient way to extract substrings, especially if the input string is large.
2. **substr()**: Using `substr()` with hardcoded parameters can be efficient, but it requires careful consideration of the parameter indices to avoid errors. Additionally, this approach assumes that the input string will always have a specific structure.
3. **substring()**: This method is also efficient and straightforward to implement, as it uses the built-in `substring()` method. However, like `substr()`, it requires careful consideration of the start and end indices.

**Other Considerations**

* All three test cases use the `date` variable as input data, which means that any variations in parsing or formatting the date string could affect the results.
* The use of hardcoded month names (`months`) may not be representative of all possible input scenarios.

**Library Usage**

None of the benchmark tests explicitly use any libraries. However, it's worth noting that modern JavaScript environments (such as Chrome and Edge) have built-in functions for working with dates and strings.

**Special JS Features or Syntax**

This benchmark does not explicitly test any special JavaScript features or syntax, such as async/await, promises, or ES6+ features.

Related benchmarks:

Test Testmark (version: 0)

Comparing performance of: split vs substr vs substring

Created: 3 years ago by: Guest

Jump to the latest result

split

substr

substring

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):