Run results for: variable vs property (var vs this.property) - v2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 Iron Safari/537.36

Browser: Chrome 109

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

this.variable

2.5M/s

this.property

2.3M/s

variable

27K/s

window.variable

4K/s

window.property

4K/s

View exact numbers

Script Preparation code:

var a=123,b=123,c=123;
this.d=this.e=this.f=123;

Tests:

variable
for (let i = 0; i < 100; i++) { a + b + c + i; }
this.property
for (let i = 0; i < 100; i++) { this.d + this.e + this.f + i; }
window.property
for (let i = 0; i < 100; i++) { window.d + window.e + window.f + i; }
this.variable
for (let i = 0; i < 100; i++) { this.a + this.b + this.c + i; }
window.variable
for (let i = 0; i < 100; i++) { window.a + window.b + window.c + i; }