Run results for: Template literals + regex vs safe accessor

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36

Browser: Chrome 83

Operating system: Windows

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
toBoolean1	3593694.5 Ops/sec
toBoolean2	6730477.0 Ops/sec
toBoolean1 2	4192489.0 Ops/sec
toBoolean2 2	6755927.0 Ops/sec
toBoolean1 3	4817760.5 Ops/sec
toBoolean2 3	6752969.0 Ops/sec

Script Preparation code:

var toBoolean1 = value => !! ( `${ value }`.match( /true/i ));
 var toBoolean2 = value => !! (
     value === true
     || value?.toLowerCase?.() === 'true'
 );

Tests:

toBoolean1
toBoolean1 ( 'tRue' );
toBoolean2
toBoolean2 ( 'tRue' );
toBoolean1 2
toBoolean1 ( true );
toBoolean2 2
toBoolean2 ( true );
toBoolean1 3
toBoolean1 ( 'false' );
toBoolean2 3
toBoolean2 ( 'false' );

Run results for: Template literals + regex vs safe accessor

toBoolean1

toBoolean2

toBoolean1 2

toBoolean2 2

toBoolean1 3

toBoolean2 3