Benchmark: stringify vs foor loop

Script Preparation code:

var data1 = {
    id: '',
    type: '',
    party: {
      id: '',
      partyType: '',
      involvedPerson: '',
      involvedPartyRoles: '',
      injuryPassenger: '',
      addresses: {
        street: '',
        houseNumber: '',
        city: '',
        country: ''
      }
    },
    bankDetail: {
      id: '',
      iban: '',
      swift: ''
    }
  };

var data2 = {
    id: '',
    type: '',
    party: {
      id: '',
      partyType: '',
      involvedPerson: '',
      involvedPartyRoles: '',
      injuryPassenger: '',
      addresses: {
        street: '',
        houseNumber: '',
        city: '',
        country: ''
      }
    },
    bankDetail: {
      id: '',
      iban: '',
      swift: ''
    }
  };

Tests:

JSON.stringify
const str1 = JSON.stringify(Object.keys(data1)) const str2 = JSON.stringify(Object.keys(data2)) console.log(str1 === str2);
for loop
let test = true; for (const key in Object.keys(data1)) { if (data1[key] !== data2[key]) { test = false; } } console.log(test)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
JSON.stringify
for loop

Fastest: N/A

Slowest: N/A

Latest run results:

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

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.46

Browser/OS: Chrome 110 on Windows

View result in a separate tab

Test name	Executions per second
JSON.stringify	19521.9 Ops/sec
for loop	11738.9 Ops/sec

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

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark definition and explain what is being tested.

**Benchmark Definition:**

The benchmark consists of two test cases:

1. **JSON.stringify**: This test case compares the output of `JSON.stringify()` on two objects, `data1` and `data2`. The expected result is whether these two strings are equal.
2. **For Loop**: This test case uses a for loop to iterate through the keys of one object (`data1`) and checks if each key-value pair matches with another object (`data2`). If any mismatch is found, it sets a variable `test` to false.

**Options being compared:**

The two options being compared are:

1. **JSON.stringify()**: This function converts an object (or a value) into a JSON string.
2. **For Loop**: A traditional loop that iterates through the keys of an object and performs actions based on those key-value pairs.

**Pros and Cons:**

* **JSON.stringify():**
	+ Pros:
		- Simple to implement.
		- Fast (typically).
	+ Cons:
		- Can be slower for very large objects due to string creation overhead.
		- May produce unexpected results if the object contains functions or other complex values.
* **For Loop:**
	+ Pros:
		- Allows for more control over the comparison process.
		- Suitable for complex comparisons that involve multiple key-value pairs.
	+ Cons:
		- Can be slower due to the loop overhead.
		- May require more code and maintenance.

**Other Considerations:**

* The benchmark uses a simple object structure (`data1` and `data2`) with nested objects and arrays, which makes it suitable for demonstrating the performance of these two options. However, in real-world scenarios, the object structures may be more complex.
* The use of `Object.keys()` to iterate through the keys is an efficient approach.

**Libraries and Special JS Features:**

There are no specific libraries mentioned in this benchmark definition.

However, there's a notable feature being used in this test case:

* **Rest Pattern (`...`)**:
The code uses rest pattern (`...`) when defining `data1` and `data2`. This is a modern JavaScript feature introduced in ECMAScript 2015 (ES6). It allows you to specify a variable number of arguments using the syntax `${variableName}`.

**Alternatives:**

If you're looking for alternative approaches, here are some options:

* Use libraries like Lodash or underscore.js to implement more complex comparisons.
* Consider using other stringification functions like `JSON.stringify()` alternatives (e.g., `json-stringify-safe`).
* Explore other comparison methods, such as using a library like deep-equal or comparing key-value pairs using a data structure like an array of objects.

Keep in mind that the choice of approach depends on your specific use case and requirements.

Related benchmarks:

stringify vs foor loop (version: 0)

Comparing performance of: JSON.stringify vs for loop

Created: one year ago by: Registered User

Jump to the latest result

JSON.stringify

for loop

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

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