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;

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: one month 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

Test name	Executions per second
JSON Stringify	1772197.5 Ops/sec
Object Keys	46133.4 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.

Related benchmarks:

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

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

Comparing performance of: JSON Stringify vs Object Keys

Created: 2 years ago by: Guest

Jump to the latest result

JSON Stringify

Object Keys

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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