Also find error in this code: http://www.domxssscanner.com/scan?url=https%3A%2F%2Fwww.google.com%2Frecaptcha%2Fapi.js%3Fonload%3DonloadCaptchaCallback%26render%3Dexplicit
for -www.gstatic.com/recaptcha/api2/r20170712134223/ there as

found JavaScript error: undefined function document.querySelector error: undefined variable s
Object does not support property, take a look at the call stack to see what gets put in as parameters, updating jQuery should be done with care unless something breaks. Info-credits: All-Star. Old variable or set name is still used, so kicks up a undefined variable s error.

polonus (volunteer website security analyst and website error-hunter)