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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36 OPR/44.0.2510.1449

Browser: Opera 44

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Script Preparation code:

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

Tests: