Toggle navigation
MeasureThat.net
Create a benchmark
Tools
Feedback
FAQ
Register
Log In
Number VS Object comparison
(version: 0)
Comparing performance of:
Number comparison vs Object comparison
Created:
3 years ago
by:
Guest
Jump to the latest result
Tests:
Number comparison
const a = 1; const b = 2; const c = 2; Object.is(a,b); Object.is(b,c);
Object comparison
const a = {foo: 1}; const b = {foo: 2}; const c = {foo: 2}; Object.is(a,b); Object.is(b,c);
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
Fork
Test case name
Result
Number comparison
Object comparison
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):
Let's break down the JavaScript microbenchmark on MeasureThat.net. **What is being tested?** The provided benchmark measures the performance difference between comparing numbers and objects using the `Object.is()` method in JavaScript. **Options compared:** There are two test cases: 1. **Number comparison**: The benchmark compares two numbers, `a` and `b`, where `a = 1` and `b = 2`. Then it compares `b` with another number, `c = 2`. 2. **Object comparison**: The benchmark compares two objects, `a` and `b`, where `a` has a property `foo` with value `1`, and `b` also has the same property with value `2`. Then it compares `b` with another object, `c`, which also has the same property with value `2`. **Pros and Cons of different approaches:** 1. **Number comparison**: This is a simple case where the values are basic numeric literals. The performance difference between comparing numbers using `===` (strict equality) or `==` (loose equality) might be negligible. * Pros: Easy to understand, minimal dependencies. * Cons: May not accurately represent real-world scenarios where numbers have decimal points or other complexities. 2. **Object comparison**: This test case compares objects with properties, which is a more complex scenario. * Pros: More representative of real-world use cases where objects are commonly used. * Cons: May be slower due to the overhead of object creation and property access. **Library usage:** In both benchmark definitions, `Object.is()` is used as the comparison function. `Object.is()` is a JavaScript method that performs strict equality between two values, checking if they are the same object instance or primitive values with the same value and type. **Special JS feature or syntax:** There is no special feature or syntax mentioned in the benchmark definitions. **Other alternatives:** To measure the performance difference between `Object.is()` and other comparison methods (e.g., using `===`, `==`, or custom functions), additional test cases could be added, such as: * Using a library like Lodash's `isEqual` function * Implementing a custom equality function for objects * Comparing numbers with decimal points or other complexities By adding these alternative comparisons, the benchmark would provide a more comprehensive understanding of performance differences in JavaScript equality checks.
Related benchmarks:
+string vs Number vs parseInt
Number constructor vs double tilde
Implicit vs parseFloat vs Number string to num
bigint vs number increment
typeof x === 'number' vs Number.isNaN(x)
Comments
Confirm delete:
Do you really want to delete benchmark?