Benchmark: Benchmarking == Vs. ===

Benchmarking == Vs. === (version: 10) Benchmark.js

Where to use == / ===

Comparing performance of: Number - same - == ..:: vs Number - same - === .: vs Number - clone - == ..:: vs Number - clone - === .: vs Number - dif - == ..:: vs Number - dif - === .: vs String - same - == ..:: vs String - same - === .: vs String - clone - == ..:: vs String - clone - === .: vs String - dif - == ..:: vs String - dif - === .: vs Object - same - == ..:: vs Object - same - === .: vs Object - clone - == ..:: vs Object - clone - === .: vs Object - dif - == ..:: vs Object - dif - === .: vs Null - == ..:: vs Null - === .: vs NaN - == .: vs NaN - === .: vs Undefined - == ..:: vs Undefined - === .: vs Number Vs. NaN - == ..:: vs Number Vs. NaN - === .: vs Number Vs. String - == ..:: vs Number Vs. String - === .: vs Number Vs. Object - == ..:: vs Number Vs. Object - === .: vs String Vs. Object - == ..:: vs String Vs. Object - === .:

Created: 9 years ago by: Registered User

Go to the latest result

Script Preparation code:

var data = {

  num: 12.45,
  numClone: 12.45,
  num2: 12.44,

  str: "12.45",
  strClone: "12.45",
  str2: "12.44",
  
  obj: {
    a: 'a',
    b: 'b',
    l: 12,
    arr: [1,2,3]
  },
  objClone: {
    a: 'a',
    b: 'b',
    l: 12,
    arr: [1,2,3]
  },
  obj2: {
    a: 'a',
    b: 'b',
    l: 12,
    arr: [1,2,3,4]
  },
  
  nan: NaN,
  und: undefined,
  nul: null,
  emp: '',
  
};

Tests:

Number - same - == ..::
if( data.num == data.num );
Number - same - === .:
if( data.num === data.num );
Number - clone - == ..::
if( data.num == data.numClone );
Number - clone - === .:
if( data.num === data.numClone );
Number - dif - == ..::
if( data.num == data.num2 );
Number - dif - === .:
if( data.num === data.num2 );
String - same - == ..::
if( data.str == data.str );
String - same - === .:
if( data.str === data.str );
String - clone - == ..::
if( data.str == data.strClone );
String - clone - === .:
if( data.str === data.strClone );
String - dif - == ..::
if( data.str == data.str2 );
String - dif - === .:
if( data.str === data.str2 );
Object - same - == ..::
if( data.obj == data.obj );
Object - same - === .:
if( data.obj === data.obj );
Object - clone - == ..::
if( data.obj == data.objClone );
Object - clone - === .:
if( data.obj === data.objClone );
Object - dif - == ..::
if( data.obj == data.obj2 );
Object - dif - === .:
if( data.obj === data.obj2 );
Null - == ..::
if( data.nul == null );
Null - === .:
if( data.nan === null );
NaN - == .:
if( data.nan == NaN );
NaN - === .:
if( data.nan === NaN );
Undefined - == ..::
if( data.und == undefined );
Undefined - === .:
if( data.und === undefined );
Number Vs. NaN - == ..::
if( data.num == NaN );
Number Vs. NaN - === .:
if( data.num === NaN );
Number Vs. String - == ..::
if( data.num == data.str );
Number Vs. String - === .:
if( data.num === data.str );
Number Vs. Object - == ..::
if( data.num == data.obj );
Number Vs. Object - === .:
if( data.num === data.obj );
String Vs. Object - == ..::
if( data.str == data.obj );
String Vs. Object - === .:
if( data.str === data.obj );

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Number - same - == ..::
Number - same - === .:
Number - clone - == ..::
Number - clone - === .:
Number - dif - == ..::
Number - dif - === .:
String - same - == ..::
String - same - === .:
String - clone - == ..::
String - clone - === .:
String - dif - == ..::
String - dif - === .:
Object - same - == ..::
Object - same - === .:
Object - clone - == ..::
Object - clone - === .:
Object - dif - == ..::
Object - dif - === .:
Null - == ..::
Null - === .:
NaN - == .:
NaN - === .:
Undefined - == ..::
Undefined - === .:
Number Vs. NaN - == ..::
Number Vs. NaN - === .:
Number Vs. String - == ..::
Number Vs. String - === .:
Number Vs. Object - == ..::
Number Vs. Object - === .:
String Vs. Object - == ..::
String Vs. Object - === .:

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/130.0.0.0 Safari/537.36 Edg/130.0.0.0

Browser/OS: Chrome 130 on Windows

View result in a separate tab

Null - == ..::

17.0M/s

Null - === .:

17.0M/s

Number Vs. Object - === .:

8.8M/s

Object - dif - == ..::

8.8M/s

NaN - === .:

8.8M/s

Number Vs. NaN - == ..::

8.8M/s

Object - same - == ..::

8.8M/s

Object - dif - === .:

8.7M/s

Object - same - === .:

8.7M/s

NaN - == .:

8.7M/s

String Vs. Object - === .:

8.7M/s

Object - clone - === .:

8.7M/s

Number Vs. String - === .:

8.7M/s

String - dif - === .:

8.7M/s

Number Vs. NaN - === .:

8.7M/s

Undefined - === .:

8.7M/s

Undefined - == ..::

8.7M/s

Object - clone - == ..::

8.7M/s

String - dif - == ..::

8.7M/s

Number - same - === .:

8.7M/s

Number - dif - === .:

8.6M/s

Number - same - == ..::

8.6M/s

Number - clone - === .:

8.6M/s

String - clone - === .:

8.6M/s

String - same - == ..::

8.6M/s

String - clone - == ..::

8.6M/s

String - same - === .:

8.6M/s

Number - dif - == ..::

8.6M/s

Number - clone - == ..::

8.5M/s

Number Vs. String - == ..::

7.3M/s

String Vs. Object - == ..::

6.9M/s

Number Vs. Object - == ..::

6.1M/s

View exact numbers

Test name	Executions per second
✓ Null - == ..::	16,996,522 Ops/sec
Null - === .:	16,976,396 Ops/sec
Number Vs. Object - === .:	8,794,761 Ops/sec
Object - dif - == ..::	8,790,110 Ops/sec
NaN - === .:	8,786,487 Ops/sec
Number Vs. NaN - == ..::	8,786,481 Ops/sec
Object - same - == ..::	8,762,633 Ops/sec
Object - dif - === .:	8,745,290 Ops/sec
Object - same - === .:	8,744,532 Ops/sec
NaN - == .:	8,739,123 Ops/sec
String Vs. Object - === .:	8,737,937 Ops/sec
Object - clone - === .:	8,730,572 Ops/sec
Number Vs. String - === .:	8,722,614 Ops/sec
String - dif - === .:	8,713,016 Ops/sec
Number Vs. NaN - === .:	8,711,150 Ops/sec
Undefined - === .:	8,698,250 Ops/sec
Undefined - == ..::	8,690,963 Ops/sec
Object - clone - == ..::	8,685,347 Ops/sec
String - dif - == ..::	8,683,053 Ops/sec
Number - same - === .:	8,664,404 Ops/sec
Number - dif - === .:	8,646,357 Ops/sec
Number - same - == ..::	8,640,385 Ops/sec
Number - clone - === .:	8,639,178 Ops/sec
String - clone - === .:	8,635,578 Ops/sec
String - same - == ..::	8,611,964 Ops/sec
String - clone - == ..::	8,593,240 Ops/sec
String - same - === .:	8,589,996 Ops/sec
Number - dif - == ..::	8,576,270 Ops/sec
Number - clone - == ..::	8,516,264 Ops/sec
Number Vs. String - == ..::	7,282,614 Ops/sec
String Vs. Object - == ..::	6,899,383 Ops/sec
Number Vs. Object - == ..::	6,079,378 Ops/sec

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

LLMs can make mistakes. Check important info.

Benchmarking == Vs. === (version: 10) Benchmark.js

Where to use == / ===

Created: 9 years ago by: Registered User

Go to the latest result

Number - same - == ..::

Number - same - === .:

Number - clone - == ..::

Number - clone - === .:

Number - dif - == ..::

Number - dif - === .:

String - same - == ..::

String - same - === .:

String - clone - == ..::

String - clone - === .:

String - dif - == ..::

String - dif - === .:

Object - same - == ..::

Object - same - === .:

Object - clone - == ..::

Object - clone - === .:

Object - dif - == ..::

Object - dif - === .:

Null - == ..::

Null - === .:

NaN - == .:

NaN - === .:

Undefined - == ..::

Undefined - === .:

Number Vs. NaN - == ..::

Number Vs. NaN - === .:

Number Vs. String - == ..::

Number Vs. String - === .:

Number Vs. Object - == ..::

Number Vs. Object - === .:

String Vs. Object - == ..::

String Vs. Object - === .:

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

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

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