Run results for: length vs !!

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.143 Safari/537.36

Browser: Chrome 53

Operating system: Windows

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
length	59173880.0 Ops/sec
!!	65341816.0 Ops/sec

Tests:

length
let objects = ['sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf']; for (let i = 0; i < 1000; i++) { return objects.length > 0; }
!!
let objects = ['sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf','sdfsdf']; for (let i = 0; i < 1000; i++) { return !!objects.length; }