Typescript. get / set modifiers

works only with ecmaScript2015

class Man {
    private _name: string = "DefaultName";

    get name(): string {
        return this._name
    }

    set name(value: string) {
        console.log('been here');
        value ? this._name = value : console.log('error');
    }

    constructor(name?: string) {
        (name) && (this._name = name);
    }
}

const man = new Man();
man.name = "Stanley";
console.log(man.name);