Run details:
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0
Firefox 48
Windows 7
Other
8 years ago
Test name Executions per second
for in hasown 138032.9 Ops/sec
for in 188397.1 Ops/sec
func 113389.4 Ops/sec
Script Preparation code:
Tests:
  • for in hasown

  • for in

  • func