Run results for: Optional chaining

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.3 Safari/605.1.15

Browser: Safari 18

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Optional chaining

199.2M/s

Double ampersand

187.2M/s

View exact numbers

Test name	Executions per second
✓ Optional chaining	199,173,984 Ops/sec
Double ampersand	187,154,320 Ops/sec

Script Preparation code:

var node = {
  value: 'value',
  data_type: { value: 'data_type_value' }
}

Tests: