Run results for: Cached vs Not Cached vs IndexOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36

Browser: Chrome 64

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
Not Cached	47500.4 Ops/sec
Cached	50819.4 Ops/sec
IndexOf	31374.4 Ops/sec

Script Preparation code:

var test = {currentTile: {tileID: 659}};
var specialTiles = [320, 323, 656, 659];

function cannotGoUp(from) {
    if (from.currentTile.tileID == 320 ||
        from.currentTile.tileID == 323 ||
        from.currentTile.tileID == 656 ||
        from.currentTile.tileID == 659) {
        return true;
    }
    return false;
}

function cannotGoUpCached(from) {
  	var tileID = from.currentTile.tileID;
    if (tileID == 320 ||
        tileID == 323 ||
        tileID == 656 ||
        tileID == 659) {
        return true;
    }
    return false;
}

function cannotGoUpIndexOf(from) {
  	return specialTiles.indexOf(from.currentTile.tileID) >= 0 ? true : false;
}

Tests:

Not Cached
for(var i = 0; i < 100; i++){cannotGoUp(test);}
Cached
for(var i = 0; i < 100; i++){cannotGoUpCached(test);}
IndexOf
for(var i = 0; i < 100; i++){cannotGoUpIndexOf(test);}