非同期XHRによるレコード取得APIのリクエスト

async-xhr-get-records.js

var url = kintone.api.url('/k/v1/records', true) + '?app=' + kintone.app.getId();

var xhr = new XMLHttpRequest();
xhr.open('GET', url);
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
xhr.onload = function () {
  if (xhr.status === 200) {
    // success
    console.log(JSON.parse(xhr.responseText));
  } else {
    // error
    console.log(JSON.parse(xhr.responseText));
  }
};
xhr.onerror = function (err) {
  // error
  console.log(err);
};
xhr.onreadystatechange = function () {
  // show headers
  if (this.readyState === this.HEADERS_RECEIVED) {
    console.log(xhr.getAllResponseHeaders());
  }
};
xhr.send();