Run results for: closure lookup

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.59 Safari/537.36 OPR/41.0.2353.46

Browser: Opera 41

Operating system: Windows

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
prototype function + "this"	6090362.0 Ops/sec
object function + closure	5364091.0 Ops/sec
capture method	5382284.0 Ops/sec
bind function	5879117.0 Ops/sec
wrap function	3712458.0 Ops/sec
prototype function + "this" (remove 1 scope)	6143852.0 Ops/sec

Script Preparation code:

function serialize(obj){}

var C1 = (function () {
    function C1() {
        this.idToObject = { a: 1 };
    }
    C1.prototype.test = function () {
        serialize(this);
        this.idToObject.a++;
    };
    return C1;
}());

function createC2() {
	var idToObject = {a:1};
    var self = {
      	idToObject: idToObject,
      	test: function () {
            serialize(self);
      		idToObject.a++;
    	}
    };
    
    return self;
}

    function C6() {
        this.idToObject = { a: 1 };
    }
    C6.prototype.test = function () {
        serialize(this);
        this.idToObject.a++;
    };


var c1 = new C1();
var c2 = createC2();

var test3 = createC2().test;
var c4 = new C1();
var test4 = c4.test.bind(c4);
var c5 = new C1();
var test5 = function() { return c5.test(); };
var c6 = new C6();

Tests:

prototype function + "this"
c1.test();
object function + closure
c2.test();
capture method
test3();
bind function
test4();
wrap function
test5();
prototype function + "this" (remove 1 scope)
c6.test();

Run results for: closure lookup

prototype function + "this"

object function + closure

capture method

bind function

wrap function

prototype function + "this" (remove 1 scope)