Run results for: mutation vs builder

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/116.0.0.0 Safari/537.36

Browser: Chrome 116

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
mutation	174007.1 Ops/sec
Builder	194421.4 Ops/sec

Tests:

mutation
function Point(x, y) { this.x = x this.y = y } Point.prototype.add = function(point) { this.x = this.x + point.x this.y = this.y + point.y } var p1 = new Point(1, 2) var p2 = new Point(3, 4) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2) p1.add(p2)
Builder
function Point(x, y) { this.x = x this.y = y } Point.prototype.add = function(point) { return new Point(this.x + point.x, this.y + point.y) } var p1 = new Point(1, 2) var p2 = new Point(3, 4) p1.add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2).add(p2)