Benchmark: indexOf vs split tttt

Script Preparation code:

var test1 = 'test ,|er te|sti,ng'
var test2 = 'test tester'
var test3 = 'test,'
var test4 = '|test'

Tests:

indexOf
var result1 = (test1.indexOf(',') !== -1 || test1.indexOf('|') !== -1 ); var result2 = (test2.indexOf(',') !== -1 || test2.indexOf('|') !== -1 ) var result3 = (test3.indexOf(',') !== -1 || test3.indexOf('|') !== -1 ) var result4 = (test4.indexOf(',') !== -1 || test4.indexOf('|') !== -1 )
split
var result1 = (test1.split(/\,|\|/g).length > 1); var result2 = (test2.split(/\,|\|/g).length > 1); var result3 = (test3.split(/\,|\|/g).length > 1); var result4 = (test4.split(/\,|\|/g).length > 1);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
indexOf
split

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

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

LLMs can make mistakes. Check important info.

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

**Benchmark Overview**

The benchmark is designed to compare the performance of two JavaScript methods: `indexOf` and `split`. The test cases use simple strings with various characters, including commas (`,`) and pipes (`|`).

**Test Cases**

There are four test cases in total:

1. **indexOf**
	* Test 1: Checks if a comma or pipe is present in the string "test ,|er te|sti,ng"
	* Test 2: Checks if a comma or pipe is present in the string "test tester"
	* Test 3: Checks if a comma or pipe is present in the string "test,"
	* Test 4: Checks if a comma or pipe is present in the string "|test"
2. **split**
	* Test 1: Splits the string "test ,|er te|sti,ng" into an array using regular expressions to match commas and pipes
	* Test 2: Splits the string "test tester" into an array using regular expressions to match commas and pipes
	* Test 3: Splits the string "test," into an array using regular expressions to match commas and pipes
	* Test 4: Splits the string "|test" into an array using regular expressions to match commas and pipes

**Performance Comparison**

The benchmark is designed to measure the execution time of each test case. The results show that:

* `indexOf` tests are faster than `split` tests, with a significant difference in performance.
* Test 1 (`indexOf`) and Test 2 (`split`) have similar execution times on Chrome 107.
* Test 3 (`indexOf`) and Test 4 (`split`) have different execution times due to the presence of commas and pipes.

**Library Usage**

There is no explicit library mentioned in the benchmark code. However, the use of regular expressions (e.g., `/\\,/g` and `\\|/g`) suggests that JavaScript's built-in string manipulation methods are being used.

**Special JS Features or Syntax**

The benchmark does not explicitly use any special JavaScript features or syntax. The focus is on comparing the performance of two basic string methods: `indexOf` and `split`.

**Other Alternatives**

Some alternatives to these methods could be:

* Using a different splitting character, such as semicolons (`;`) or tabs (`\t`)
* Using a more advanced regular expression library, like RegEx.js
* Implementing a custom string manipulation function using JavaScript's `String.prototype` methods and techniques

Keep in mind that the benchmark is designed to compare the performance of two specific methods, so exploring alternative approaches might not be relevant to this particular use case.

Related benchmarks:

indexOf vs split tttt (version: 0)

testing speed

Comparing performance of: indexOf vs split

Created: 3 years ago by: Guest

Jump to the latest result

indexOf

split

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):