var request= new XMLHttpRequest();
request.open('GET','https://oauth.vk.com/access_token?client_id=********&client_secret=********&v=5.50&grant_type=client_credentials',false);
request.send();
alert(request.responseText);
$.ajax({
url: 'https://api.vk.com/method/database.getCities?',
data: {
country_id: "1",
q: "Санкт"
},
type: 'GET',
dataType: 'jsonp',
success: function(data) {
console.log(data.response[0])
}
})