function lookup() { var url1 = "https://script.google.com/macros/s/AKfycby-4S6dF8PMaDtFJtkHgYrzOR1m_IxGZWHJr5eSBat_M1MjG4EF6cYF-J-Tf66sgGtbBA/exec?prefix=handle_data"; jQuery.ajax({ type: 'GET', url: url1, data: { callback: '?' }, dataType: 'script', crossDomain: true }) .done(function (data) { console.log(data); }); return disableddates; }; var disableddates; function handle_data(raw) { disableddates = raw; };