Benchmark: Underscore and Lodash: isEqual v2.2

HTML Preparation code:

<script src='https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js'></script>
<script type="text/javascript">
  window.underscore = _;
  _ = null;
</script>

<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
<script type="text/javascript">
  window.lodash = _;
  _ = null;
</script>

Script Preparation code:

var obj1 = {
'RecordTypeId': 'abc',
'GoldenRecordId__pc': 'abc',
'MDMExternalId__c': 'abc',
'KNR__pc': 'abc',
'LetterSalutation__pc': 'abc',
'Organization__c': 'abc',
'TitleOfNobility__pc': 'abc',
'AcademicTitle__pc': 'abc',
'FirstName': 'abc',
'LastName': 'abc',
'IsLegalPerson__c': 'abc',
'PersonBirthdate': 'abc',
'DeathOrInsolvencyDate__c': 'abc',
'IsRelevantForMarketingCloud__c': true,
'LatestContractOE__c': 'abc',
'PNRResponsible__pc': 'abc',
'LatestContractNumber__c': 'abc',
'BrokerLock__c': false,
'BrokerCustomer__c': false
};

var obj1copy = {
'RecordTypeId': 'abc',
'GoldenRecordId__pc': 'abc',
'MDMExternalId__c': 'abc',
'KNR__pc': 'abc',
'LetterSalutation__pc': 'abc',
'Organization__c': 'abc',
'TitleOfNobility__pc': 'abc',
'AcademicTitle__pc': 'abc',
'FirstName': 'abc',
'LastName': 'abc',
'IsLegalPerson__c': 'abc',
'PersonBirthdate': 'abc',
'DeathOrInsolvencyDate__c': 'abc',
'IsRelevantForMarketingCloud__c': true,
'LatestContractOE__c': 'abc',
'PNRResponsible__pc': 'abc',
'LatestContractNumber__c': 'abc',
'BrokerLock__c': false,
'BrokerCustomer__c': false
};

var obj2 = {
'RecordTypeId': 'abc',
'GoldenRecordId__pc': 'abc',
'MDMExternalId__c': 'abc',
'KNR__pc': 'abc',
'LetterSalutation__pc': 'abc',
'Organization__c': 'abc',
'TitleOfNobility__pc': 'abc',
'AcademicTitle__pc': 'abc',
'FirstName': 'abc',
'LastName': 'abc',
'IsLegalPerson__c': 'abc',
'PersonBirthdate': 'abc',
'DeathOrInsolvencyDate__c': 'abc',
'IsRelevantForMarketingCloud__c': true,
'LatestContractOE__c': 'abc',
'PNRResponsible__pc': 'abc',
'LatestContractNumber__c': 'abc',
'BrokerLock__c': false,
'BrokerCustomer__c': true
};

Tests:

Underscore equal
underscore.isEqual(obj1, obj1copy);
Lodash equal
lodash.isEqual(obj1, obj1copy);
Underscore none equal
underscore.isEqual(obj1, obj2);
Lodash none equal
lodash.isEqual(obj1, obj2);
ES6 equal
Object.entries(obj1).toString() === Object.entries(obj1copy).toString();
ES6 !euqal
Object.entries(obj1).toString() === Object.entries(obj2).toString();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Underscore equal
Lodash equal
Underscore none equal
Lodash none equal
ES6 equal
ES6 !euqal

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 28 days ago):

LLMs can make mistakes. Check important info.

I'll break down the provided JSON and explain what's being tested.

**Benchmark Definition**

The benchmark is designed to compare the equality detection capabilities of two popular JavaScript libraries: Underscore.js and Lodash.js. The tests are created using JavaScript microbenchmarks, which allow for precise measurements of performance.

**Script Preparation Code**

The script preparation code sets up the test objects `obj1` and `obj2`. These objects contain identical data structures (`arrays`) that are used to compare equality between the two libraries.

**Individual Test Cases**

There are four test cases:

1. **Underscore equal**: Tests if both Underscore.js and Lodash.js correctly identify that `obj1` and `obj1copy` (a copy of `obj1`) are equal.
2. **Underscore none equal**: Tests if both Underscore.js and Lodash.js incorrectly identify that `obj1` and `obj2` are equal, when in fact they are not.
3. **Lodash equal**: Similar to the first test case, but uses Lodash.js instead of Underscore.js.
4. **Lodash none equal**: Similar to the second test case, but uses Lodash.js instead of Underscore.js.

**ES6 Equal and ES6 !Equal**

The last two test cases use the `Object.entries()` method to compare the equality of objects. These tests are designed to check if both libraries correctly handle object equality when using this specific method.

**What's being tested?**

In summary, these tests are verifying that:

* Both Underscore.js and Lodash.js can correctly identify equal data structures.
* Both libraries incorrectly identify equal non-equal data structures.
* Both libraries can correctly handle object equality when using `Object.entries()`.

The benchmark results show the execution rate of each test case for different browsers and devices. The faster execution times indicate that one library is more efficient than the other in specific scenarios.

Latest run results:

Run details: (Test run date: 4 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36 Edg/85.0.564.41

Browser/OS: Chrome 85 on Windows

View result in a separate tab

Test name	Executions per second
Underscore equal	661638.8 Ops/sec
Lodash equal	528354.2 Ops/sec
Underscore none equal	1568398.8 Ops/sec
Lodash none equal	518237.6 Ops/sec
ES6 equal	104473.0 Ops/sec
ES6 !euqal	101321.3 Ops/sec

Related benchmarks:

Underscore and Lodash: isEqual v2.2 (version: 1)

Comparing performance of: Underscore equal vs Lodash equal vs Underscore none equal vs Lodash none equal vs ES6 equal vs ES6 !euqal

Created: 6 years ago by: Registered User

Jump to the latest result

Underscore equal

Lodash equal

Underscore none equal

Lodash none equal

ES6 equal

ES6 !euqal

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 28 days ago):