'use strict' // fix issue webxoss/webxoss-core#44 - wrong touch area in mobile chrome // issue discussion in Easel.js - https://github.com/CreateJS/EaselJS/issues/598#issuecomment-176299538 // learn more about this bug - https://bugs.chromium.org/p/chromium/issues/detail?id=489206 // fix method reference - https://stackoverflow.com/questions/41841704/ var mobileDevice = /Android|iPhone|/i.test(navigator.userAgent) var chromeVersion = +(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./) || [])[2]; if (mobileDevice && chromeVersion && chromeVersion < 61) { try { Object.defineProperty(window, 'pageXOffset', { get: function() { return -document.documentElement.getBoundingClientRect().left; }, }); Object.defineProperty(window, 'pageYOffset', { get: function() { return -document.documentElement.getBoundingClientRect().top; }, }); } catch (e) { console.error(e); } }