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Run results for:
Direct access to property vs Getter/Setter
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Run details:
User agent:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.127 Safari/537.36 OPR/60.3.3004.55692
Browser:
Opera 60
Operating system:
Linux
Device Platform:
Desktop
Date tested:
4 months ago
Test name
Executions per second
Read directly from prop
24585596.0 Ops/sec
Set directly to prop
23927744.0 Ops/sec
Read from getter
23733250.0 Ops/sec
Set to setter
23891894.0 Ops/sec
Script Preparation code:
class MyObj { prop = undefined get propAccessor() { return this.prop; } set propAccessor(val) { this.prop = val; } } var obj = new MyObj();
Tests:
Read directly from prop
var value = obj.prop;
Set directly to prop
obj.prop = 123;
Read from getter
var value = obj.propAccessor;
Set to setter
obj.propAccessor = 123;