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Run results for:
ES6 Class vs Prototype vs Object Literal vs ES6 Class extends vs ES6 Class extends twice
Test the speed and memory usage using 5 different techniques for constructing class objects.
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<iframe src="https://measurethat.net/Embed?id=567693" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser:
Chrome 131
Operating system:
Windows
Device Platform:
Desktop
Date tested:
one year ago
Object Literal
795K/s
ES6 Class
276K/s
Function Prototype
217K/s
Class extends
145K/s
class extends twce
112K/s
View exact numbers
Test name
Executions per second
✓
Object Literal
794,894 Ops/sec
ES6 Class
275,767 Ops/sec
Function Prototype
216,945 Ops/sec
Class extends
145,156 Ops/sec
class extends twce
111,965 Ops/sec
Tests:
ES6 Class
class Point { constructor(x, y){ this.x = x; this.y = y; } add(point){ return new Point(this.x + point.x, this.y + point.y); } sub(point){ return new Point(this.x - point.x, this.y - point.y); } } var p1 = new Point(10, 10); var p2 = new Point(10, -10); var sum = p1.add(p2); var dif = p1.sub(p2);
Function Prototype
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); } Point.prototype.sub = function(point){ return new Point(this.x - point.x, this.y - point.y); } var p1 = new Point(10, 10); var p2 = new Point(10, -10); var sum = p1.add(p2); var dif = p1.sub(p2);
Object Literal
function Point(x, y){ return { x, y, add: (point)=>Point(this.x + point.x, this.y + point.y), sub: (point)=>Point(this.x - point.x, this.y - point.y) } } var p1 = Point(10, 10); var p2 = Point(10, -10); var sum = p1.add(p2); var dif = p1.sub(p2);
Class extends
class Base { constructor(x, y){ this.x = x; this.y = y; } } class Point extends Base{ add(point){ return new Point(this.x + point.x, this.y + point.y); } sub(point){ return new Point(this.x - point.x, this.y - point.y); } } var p1 = new Point(10, 10); var p2 = new Point(10, -10); var sum = p1.add(p2); var dif = p1.sub(p2);
class extends twce
class Base { constructor(x, y){ this.x = x; this.y = y; } } class Add extends Base { add(point){ return new Point(this.x + point.x, this.y + point.y); } } class Point extends Add{ sub(point){ return new Point(this.x - point.x, this.y - point.y); } } var p1 = new Point(10, 10); var p2 = new Point(10, -10); var sum = p1.add(p2); var dif = p1.sub(p2);