Benchmark: Forloop vs indexOf

Script Preparation code:

var wikiEntry = 'Boogeyman 2 is a 2007 American supernatural horror film edited and directed by Jeff Betancourt and the sequel to the 2005 film Boogeyman. The film was written by Brian Sieve and stars Danielle Savre, Matt Cohen, Tobin Bell and Renee OConnor. Savre portrays Laura Porter, a woman who witnessed her parents murder alongside her brother as a child. She believes the killer to be the Boogeyman, and now as an adult seeks group therapy to overcome her phobia of the creature. However, her fears become reality as her fellow patients are murdered one by one. Due to the previous films financial success, Boogeyman 2 was announced in October 2006. Production of the film began in the same month with the hiring of Betancourt as director and Sieve attached as writer. Casting began in December of the same year with the hiring of OConnor; Savre got the lead role in January 2007. Filming took place in Los Angeles at the former hospital, Linda Vista Community Hospital, over a four-month period, beginning in January 2007 and concluding in April. Unlike the original film, which featured the Boogeyman as a supernatural entity, Betancourt strove to present a more grounded and realistic version of the mythical creature. Additionally, emphasis was placed on the writing and atmosphere to compensate for the films small $4.5 million budget. After screening at the Screamfest Horror Film Festival on October 20, 2007, Boogeyman 2 was released direct-to-video in the United States on January 8, 2008; it was later released theatrically in Russia and Italy. It received mixed reviews from critics, although many of them considered it to be a general improvement over its predecessor. Attention was especially given to the human-like nature of the Boogeyman in the film, which reviewers felt was preferable to monsters in other contemporary creature features, including the previous film. Despite a mediocre commercial performance, recouping slightly less than its budget, the film received a sequel, Boogeyman 3, the following year';
var testArray = wikiEntry.split(' ');
var searchTerm = 'contemporary';

Tests:

For loop
for( var i = 0, len = myArray.length; i < len; i++) { if (testArray[i] === searchTerm) { return true; } } return false;
IndexOf
return testArray.indexOf(searchTerm) > -1;

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
For loop
IndexOf

Fastest: N/A

Slowest: N/A

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

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Let's break down the provided benchmark and explain what is being tested.

**Benchmark Definition**

The benchmark consists of two individual test cases: "For loop" and "IndexOf". The benchmark is testing the performance difference between using a traditional for loop to search for an element in an array versus using the `indexOf` method.

**Script Preparation Code**

The script preparation code sets up a sample array `wikiEntry` by splitting it into individual words using the `split` method, which returns an array. A variable `searchTerm` is also defined as "contemporary". This is used to search for the term in the array.

**Benchmark Definition JSON**

Each benchmark definition contains two keys:

1. **Benchmark Definition**: This key defines the code snippet that will be executed during the test.
2. **Test Name**: This key specifies the name of the test case.

For "For loop", the benchmark definition is a simple for loop that iterates over the `testArray` and checks if each element matches the `searchTerm`. If a match is found, the function returns `true`. Otherwise, it returns `false`.

For "IndexOf", the benchmark definition uses the `indexOf` method to search for the `searchTerm` in the `testArray`. The method returns the index of the first occurrence of the term, or -1 if not found.

**Options Compared**

The two options being compared are:

1. **Traditional For Loop**: This approach involves using a traditional for loop to iterate over the array and check each element individually.
2. **IndexOf Method**: This approach uses the `indexOf` method, which is a built-in JavaScript method that searches for an element in an array and returns its index.

**Pros and Cons**

Here are some pros and cons of each approach:

* **Traditional For Loop**:
	+ Pros: Can be more control over the iteration process, potentially faster for small arrays.
	+ Cons: Can be slower for large arrays due to the overhead of the loop, and requires manual indexing.
* **IndexOf Method**:
	+ Pros: Faster for large arrays, as it uses a linear search algorithm optimized for performance.
	+ Cons: Requires the array to have at least one element with the matching value, and may not be suitable for arrays with unique values.

**Other Considerations**

The benchmark also takes into account various factors such as:

* **Device Platform**: The test is run on a Linux platform using Chrome 61.
* **Operating System**: The test is run on a Linux-based operating system.
* **Browser**: The test uses the Chrome browser, version 61.

**Library Used**

No specific library is mentioned in the benchmark definition. However, the `indexOf` method is a built-in JavaScript method that does not require any external libraries.

If you want to explore alternative approaches, some other options include:

* Using `filter()` or `findIndex()` methods for searching arrays.
* Implementing custom search algorithms, such as binary search for large arrays.
* Using specialized libraries or frameworks for array manipulation and search.

Related benchmarks:

Forloop vs indexOf (version: 0)

Comparing performance of: For loop vs IndexOf

Created: 8 years ago by: Guest

Jump to the latest result

For loop

IndexOf

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):