Run results for: test property read access

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36

Browser: Chrome 64

Operating system: Windows

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
2 - function	10.2 Ops/sec
3 - method	15.4 Ops/sec
4 - closure function	7.4 Ops/sec
5 - es-5 getter	12.9 Ops/sec
1 - direct access	16.5 Ops/sec

Script Preparation code:

var testObj1 = {a: 28, b: 82, 
  get_property() {
    return this.property;
  },
  get_property1() {
    return this.property1;
  },
get g_property() {
	return this.property;
},
get g_property1() {
	return this.property1;
}
, c: "hello", d: 983, e: 'lara', property: 32, f: '82828', property1: "asd"};

function get_property(obj) {
    return obj["property"];
}
function get_property1(obj) {
    return obj["property1"];
}


function get_property_cl() {
    return testObj1["property"];
}
function get_property1_cl() {
    return testObj1["property1"];
}

var C = 100000;

Tests:

2 - function
var result; for (var i = 0; i < C; i++) { result += get_property(testObj1) result += get_property1(testObj1); }
3 - method
var result; for (var i = 0; i < C; i++) { result += testObj1.get_property(); result += testObj1.get_property1(); }
4 - closure function
var result; for (var i = 0; i < C; i++) { result += get_property_cl(); result += get_property1_cl(); }
5 - es-5 getter
var result; for (var i = 0; i < C; i++) { result += testObj1.g_property; result += testObj1.g_property1; }
1 - direct access
var result; for (var i = 0; i < C; i++) { result += testObj1.property; result += testObj1.property1; }

Run results for: test property read access

2 - function

3 - method

4 - closure function

5 - es-5 getter

1 - direct access