Run results for: Function vs inline set property

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0

Browser: Firefox 122

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Benchmark engine: Benchmark.js

Inline

834.4M/s

Function

532.6M/s

View exact numbers

Test name	Executions per second
✓ Inline	834,395,200 Ops/sec
Function	532,629,152 Ops/sec

Script Preparation code:

var c = {};

var f = {
	set_var: (c, key, value) => {
  		// (c._?c._:c._={})[key] = value;
      	if(!c.var) c.var = {};
      	c.var[key] = value;
	}
};

Tests:

Function
f.set_var(c, "foo", "bar");
Inline
(c._?c._:c._={}).foo = "bar";