Run results for: Map vs Array vs Object set uint32 key speed

Run details:

User agent: Mozilla/5.0 (Linux; Android 9; SM-A705YN) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.89 Mobile Safari/537.36

Browser: Chrome Mobile 84

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Script Preparation code:

var map = new Map();
var arr = [];
var obj = {};

var randomU32 = function() {
	return Math.random() * (1 << 31) >>> 0;
}

Tests: