function getTest() { var contents; var xhr = new XMLHttpRequest(); xhr.open('GET', 'database/makeittrue.db', true); xhr.responseType = 'arraybuffer'; xhr.onload = function (e) { var uInt8Array = new Uint8Array(this.response); var db = new SQL.Database(uInt8Array); var contents = db.exec("SELECT * FROM scores WHERE mode = 'normal'"); contents.forEach(function (element) { element.values.forEach(function (value) { console.log(value) }); }); }; xhr.send(); }