for (var page=1;page<=25;page++){
            fetch(`https://api.hh.ru/vacancies?page=${page}`)
                .then(res => res.text())
                .then(body => {
                    const data = JSON.parse(body);
                    const output = data.items.map(({id, name, snippet}) => ({
                        id,
                        name,
                        snippet
                    }));
                    console.log(output);
                });}