$(document).ready(function(){
var xhr = new XMLHttpRequest();
var xhre = new XMLHttpRequest();
var elm = document.getElementById("data-bt");
var bitdata;
var etherdata;
xhr.open('GET', 'https://api.coinmarketcap.com/v2/ticker/1/?convert=USD', false);

xhr.send();

if (xhr.status != 200) {
  console.log( xhr.status + ': ' + xhr.statusText );
} else {
  bitdata = JSON.parse(xhr.responseText);
  elm.innerHTML = bitdata.data.quotes.USD.price;
  alert(bitdata.data.quotes.USD.price);
}
});