Run results for: Boolean conversion - javascript - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36 Edg/91.0.864.64

Browser: Chrome 91

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
!! (number)	919291712.0 Ops/sec
Boolean() (number)	7934337.0 Ops/sec
ternary (number)	937983360.0 Ops/sec
!! (string)	932701376.0 Ops/sec
Boolean() (string)	7946829.0 Ops/sec
ternary (string)	923173824.0 Ops/sec

Tests:

!! (number)
var a = !!12;
Boolean() (number)
var a = Boolean(12);
ternary (number)
var a = (12 ? true : false);
!! (string)
var a = !!'string';
Boolean() (string)
var a = Boolean('string');
ternary (string)
var a = ('string' ? true : false);