Run results for: Picon dev - insatnce of vs isPrototyOf

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
success - instanceof	4271940.0 Ops/sec
success - isPrototypeOf	4088849.0 Ops/sec
error - instanceof	4258878.0 Ops/sec
error- isPrototypeOf	4002994.0 Ops/sec

Script Preparation code:

class BaseClass {
    constructor(val) {
        this._bVal = val;
    }

    get bVal() {
        return this._bVal;
    }

    set bVal(value) {
        this._bVal = value;
    }
}

class ParentClass extends BaseClass {
    constructor(val) {
        super(val)
        this._pVal = val + '_parent';
    }

    get pVal() {
        return this._pVal;
    }

    set pVal(value) {
        this._pVal = value;
    }
}

class ChildClass extends BaseClass {
    constructor(val) {
        super(val)
        this._cVal = val + '_child';
    }

    get cVal() {
        return this._cVal;
    }

    set cVal(value) {
        this._cVal = value;
    }
}

class AnotherClass {
    constructor(val) {
        this._bVal = val;
    }

    get bVal() {
        return this._bVal;
    }

    set bVal(value) {
        this._bVal = value;
    }
}

var VarBaseClass = BaseClass;
var VarAnotherClass = AnotherClass;
var t = new ChildClass('test');

Tests:

success - instanceof
t instanceof VarBaseClass
success - isPrototypeOf
VarBaseClass.prototype.isPrototypeOf(t)
error - instanceof
t instanceof VarAnotherClass
error- isPrototypeOf
VarAnotherClass.prototype.isPrototypeOf(t)

Run results for: Picon dev - insatnce of vs isPrototyOf

success - instanceof

success - isPrototypeOf

error - instanceof

error- isPrototypeOf