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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0.2 Safari/605.1.15

Browser: Safari 14

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
!! (number)	340981120.0 Ops/sec
Boolean() (number)	7305823.0 Ops/sec
ternary (number)	309963904.0 Ops/sec
!! (string)	264072464.0 Ops/sec
Boolean() (string)	7241690.0 Ops/sec
ternary (string)	278447904.0 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);