Benchmark: includes vs equals

Script Preparation code:

var ea = "reg2SubmitBtnClick";

Tests:

includes
if (ea.includes("reg2SubmitBtnClick")) return
equals
if (ea === "reg2SubmitBtnClick") return

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
includes
equals

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser/OS: Chrome 124 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
includes	29740034.0 Ops/sec
equals	29938934.0 Ops/sec

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

LLMs can make mistakes. Check important info.

I'll break down the provided benchmark definition and test cases to explain what's being tested, compared, and their pros and cons.

**Benchmark Definition**

The benchmark definition is a JSON object that contains information about the benchmark:

* "Name": The name of the benchmark, which is "includes vs equals".
* "Description": An empty string indicating no description.
* "Script Preparation Code": A JavaScript code snippet `var ea = "reg2SubmitBtnClick";` that sets up a variable `ea` with the value `"reg2SubmitBtnClick"`.
* "Html Preparation Code": An empty string indicating no HTML preparation is needed.

**Individual Test Cases**

The benchmark contains two test cases:

1. **Test Case 1: "includes"**
	* "Benchmark Definition": The JavaScript code snippet `if (ea.includes("reg2SubmitBtnClick")) return`.
	* "Test Name": "includes".
This test case checks how long it takes to execute the condition `ea.includes("reg2SubmitBtnClick")` in a loop.

2. **Test Case 2: "equals"**
	* "Benchmark Definition": The JavaScript code snippet `if (ea === "reg2SubmitBtnClick") return`.
	* "Test Name": "equals".
This test case checks how long it takes to execute the condition `ea === "reg2SubmitBtnClick"` in a loop.

**Comparison**

The two test cases compare the performance of using the `includes()` method versus the `===` (strict equality) operator to check if `ea` is equal to `"reg2SubmitBtnClick"`. Both methods are used to determine if a specific string exists within the `ea` variable.

**Pros and Cons:**

* **`includes()` Method**
	+ Pros:
		- More flexible, as it can search for any part of the string.
		- Less CPU-intensive than strict equality checks.
	+ Cons:
		- May return false positives if the substring exists in a different context (e.g., `ea.includes("reg2Submit")` would return true).
* **Strict Equality Operator (`===`)**
	+ Pros:
		- More precise, as it only returns true for exact matches.
		- Less prone to false positives.
	+ Cons:
		- May be more CPU-intensive than the `includes()` method.

**Library and Special JS Feature**

There is no external library used in this benchmark. However, note that the JavaScript syntax `var ea = "reg2SubmitBtnClick";` is using a feature called "Variable Declaration" (ECMAScript 2015), which allows declaring variables with the `var` keyword outside of functions.

**Other Alternatives**

If you're interested in exploring alternative methods or libraries for string matching, consider:

* Using regular expressions (`/regex/`) for more complex pattern matching.
* Utilizing dedicated string manipulation libraries like String.prototype.includes() alternatives (e.g., `indexOf()`).
* Exploring alternatives to strict equality checks, such as fuzzy matching algorithms.

Keep in mind that the performance differences between these methods may be negligible in most cases.

Related benchmarks:

includes vs equals (version: 0)

Comparing performance of: includes vs equals

Created: one year ago by: Guest

Jump to the latest result

includes

equals

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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