Run results for: Benchmarking == Vs. ===

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.98 Safari/537.36

Browser: Chrome 54

Operating system: Mac OS X 10.12.1

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
Number - same - == ..:	4035847.0 Ops/sec
Number Vs. NaN - == ..:	2530449.0 Ops/sec
NaN - == ..:	2553129.0 Ops/sec
Undefined - == ..:	2538833.0 Ops/sec
Undefined - === .:	2572592.0 Ops/sec
NaN - == .:	2544147.0 Ops/sec
Null - === .:	8013832.0 Ops/sec
Number Vs. String - == ..:	2664801.0 Ops/sec
Number Vs. String - === .:	4268459.0 Ops/sec
Number Vs. Object - == ..:	1934668.0 Ops/sec
Number Vs. Object - === .:	4204442.0 Ops/sec
Object - dif - === ..:	4074736.0 Ops/sec
Object - dif - == ..:	4032736.0 Ops/sec
Object - clone - === .:	4136636.0 Ops/sec
Object - clone - == ..:	4033389.0 Ops/sec
Object - same - === .:	3688411.0 Ops/sec
Object - same - == ..:	2740888.0 Ops/sec
String - dif - === .:	3309943.0 Ops/sec
String - dif - == ..:	2492149.0 Ops/sec
String - clone - === .:	2653579.0 Ops/sec
String - clone - == ..:	3056591.0 Ops/sec
String - same - === .:	2907314.0 Ops/sec
String - same - == ..:	3852201.0 Ops/sec
Number - dif - === .:	4075456.0 Ops/sec
Number - dif - == ..:	4143111.0 Ops/sec
Number - clone - === .:	4105192.0 Ops/sec
Number - clone - == ..:	4086020.0 Ops/sec
Number - same - === .:	4142948.0 Ops/sec
Null - == ..:	7833177.0 Ops/sec
Number Vs. NaN - === .:	2495523.0 Ops/sec

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 );

Run results for: Benchmarking == Vs. ===

Where to use == / ===

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 - === .: