Benchmark: Object.is - MeasureThat.net

Tests:

Object.is
Object.is(1,1)
=== comparison
1 === 1

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Object.is
=== comparison

Fastest: N/A

Slowest: N/A

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

LLMs can make mistakes. Check important info.

**Overview**

The provided JSON represents a JavaScript microbenchmark on MeasureThat.net, which compares the performance of `Object.is` and `===` (strict equality operator) in JavaScript.

**What is being tested?**

Two individual test cases are defined:

1. `Object.is(1, 1)`: This test case checks if the `Object.is` function returns `true` for the input `(1, 1)`.
2. `1 === 1`: This test case checks if the strict equality operator `===` returns `true` for the input `(1, 1)`.

The performance of these two approaches is being measured and compared.

**Options compared**

Two options are being compared:

1. **Object.is**: A built-in JavaScript function that checks for deep equality between two values.
2. **=== (strict equality operator)**: A built-in JavaScript operator that checks for strict equality between two values, including primitive types and object references.

**Pros and Cons of each approach**

* **Object.is**:
	+ Pros:
		- Provides a more nuanced way to compare objects, as it checks if the objects are equal in both value and type.
		- Can be useful when comparing objects that contain other objects or arrays.
	+ Cons:
		- Can be slower than `===` for simple primitive-type comparisons.
* **=== (strict equality operator)**:
	+ Pros:
		- Fast and efficient, as it only checks if the values are equal without considering their types.
	+ Cons:
		- May not provide a complete picture of object equality, as it ignores differences in type.

**Library usage**

In this benchmark, the `Object.is` function is used, which is a built-in JavaScript function. There is no external library involved.

**Special JS feature or syntax**

The benchmark uses the `===` operator, which is a part of the JavaScript language itself.

**Other considerations**

* The benchmark is run on a specific version of Chrome (117) and Mac OS X 10.15.7.
* The results are reported in terms of executions per second (ExecutionsPerSecond).

**Alternatives**

If you want to write similar benchmarks, you can use other JavaScript functions or operators that compare values, such as:

* `===` (strict equality operator)
* `==` (loose equality operator)
* `strictEqual` function from the Lodash library
* `deepEqual` function from the Underscore.js library

Keep in mind that each of these alternatives has its own pros and cons, and may not be suitable for every use case.

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/117.0.0.0 Safari/537.36

Browser/OS: Chrome 117 on Mac OS X 10.15.7

View result in a separate tab

Test name	Executions per second
Object.is	10692134.0 Ops/sec
=== comparison	913100352.0 Ops/sec

Related benchmarks:

Object.is (version: 0)

Object.is vs ===

Comparing performance of: Object.is vs === comparison

Created: one year ago by: Guest

Jump to the latest result

Object.is

=== comparison

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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