Benchmark: JSON Stringify vs Object Keys Properties in two objects comparison 2

Script Preparation code:

var x = '{"driverId":"997002454332499322","firstName":"Bob","lastName":"Minnie Van 134","queuedRides":0,"pickupLocation":null,"dropOffLocation":null,"onlineStartTime":"6/8/2023 3:45:34 PM","rideId":null,"status":"Online"}';
var y = '{"driverId":"997002454332499322","firstName":"Bob","lastName":"Minnie Van 134","queuedRides":0,"pickupLocation":null,"dropOffLocation":null,"onlineStartTime":"6/8/2023 3:45:34 PM","rideId":null,"status":"Online"}';

Tests:

JSON Stringify
return JSON.stringify(x) === JSON.stringify(y);
Object Keys
for (key of Object.keys(x)) { if (x[key] !== y[key]) return false; } return true;

Historical Performance Data aggregated from 9 community runs

Desktop Results:

Chrome 9 runs

JSON Stringify

1.8M/s

Object Keys

7K/s

Fastest: JSON Stringify (256.4x faster)

View exact numbers

✓ JSON Stringify: 1,811,729 ops/sec
• Object Keys: 7,065 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON Stringify
Object Keys

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 6 months ago)

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:148.0) Gecko/20100101 Firefox/148.0

Browser/OS: Firefox 148 on Linux

View result in a separate tab

JSON Stringify

1.8M/s

Object Keys

46K/s

View exact numbers

Test name	Executions per second
✓ JSON Stringify	1,772,198 Ops/sec
Object Keys	46,133 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided JSON and benchmarking test case.

**Benchmark Definition**

The benchmark compares two approaches to check if two objects (`x` and `y`) have the same properties:

1. **JSON Stringify**: Using `JSON.stringify()` to compare the strings representation of both objects.
2. **Object Keys Properties**: Iterating through the object keys using `Object.keys()` and comparing each property value.

**What is tested**

The benchmark tests whether these two approaches are faster for a specific use case: checking if two objects have the same properties.

**Options compared**

* Two different approaches to compare object properties:
	+ JSON Stringify (using `JSON.stringify()`)
	+ Object Keys Properties (iterating through object keys)
* The speed of each approach

**Pros and Cons of each approach:**

1. **JSON Stringify**:
	+ Pros:
		- Easy to implement
		- Fast since it's a built-in JavaScript function
	* Cons:
		- May not work as expected for complex objects (e.g., nested objects, arrays)
		- Can return different string representations due to object order or property names
2. **Object Keys Properties**:
	+ Pros:
		- More accurate for complex objects
		- Preserves the original object structure and properties order
	* Cons:
		- May be slower since it involves iterating through object keys

**Library usage**

There is no explicit library mentioned in the benchmark definition. However, `JSON.stringify()` is a built-in JavaScript function.

**Special JS feature or syntax**

None explicitly mentioned.

**Benchmark preparation code**

The script prepares two objects (`x` and `y`) with similar properties, but not identical. The object properties include:

* `driverId`
* `firstName`
* `lastName`
* `queuedRides`
* `pickupLocation`
* `dropOffLocation`
* `onlineStartTime`
* `rideId`
* `status`

**Other alternatives**

If the benchmark didn't use `JSON.stringify()`, another alternative could be using a library like Lodash's `isEqual()` function, which provides a more comprehensive comparison of objects and their properties.

Alternatively, if the benchmark aimed to compare the speed of object property iteration without relying on built-in functions, it could use a simple loop or a library like Underscore.js's `each()` function to iterate through object keys.

In this specific case, since both approaches are already being compared, the focus is on determining which one is faster.

JSON Stringify vs Object Keys Properties in two objects comparison 2 (version: 0) Benchmark.js

Calculate what is the faster way to check if 2 objects have the same properties

Comparing performance of: `JSON Stringify vs Object Keys`

Created: 3 years ago by: Guest

Go to the latest result

JSON Stringify

Object Keys

Historical Performance Data aggregated from 9 community runs

Desktop Results:

Chrome 9 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

JSON Stringify vs Object Keys Properties in two objects comparison 2 (version: 0) Benchmark.js

Calculate what is the faster way to check if 2 objects have the same properties

Comparing performance of: JSON Stringify vs Object Keys

Created: 3 years ago by: Guest

Go to the latest result

JSON Stringify

Object Keys

Historical Performance Data aggregated from 9 community runs

Desktop Results:

Chrome 9 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

Related benchmarks

Comparing performance of: `JSON Stringify vs Object Keys`