Run results for: length vs !!

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12) AppleWebKit/602.1.50 (KHTML, like Gecko) Version/10.0 Safari/602.1.50

Browser: Safari 10

Operating system: Mac OS X 10.12

Device Platform: Other

Date tested: 8 years ago

Test name	Executions per second
length	37888276.0 Ops/sec
!!	36957872.0 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; }