SOURCE

class Foo {
    constructor(x, y) {
        this.x = y
        this.y = y
    }

    toString() {
        return this.x + ':' + this.y
    }

    get html() {
        return this.html
    }

    set html(html) {
        this.html = html
    }
}


for(const i in Object.getOwnPropertyDescriptor(Foo.prototype, 'html')) {
    console.log(i)
}