Run results for: set vs weakset

Run details:

User agent: Mozilla/5.0 (Android 15; Mobile; rv:135.0) Gecko/135.0 Firefox/135.0

Browser: Firefox Mobile 135

Operating system: Android

Device Platform: Mobile

Date tested: 2 months ago

Test name	Executions per second
set	1324364416.0 Ops/sec
weak set	30402972.0 Ops/sec

Script Preparation code:

var objs = Array(100).fill().map(() => { return {} })
var obj = objs[50]

var set = new Set()
var weakset = new WeakSet()

var times = 100
while (times--) {
	set.add(objs[times])
	weakset.add(objs[times])
}

Tests:

set
set.has(obj)
weak set
weakset.has(obj)

Run results for: set vs weakset

set

weak set