/*是否是android*/functionisAndroid(){varuserAgent=window.navigator.userAgent;if(/android/i.test(userAgent)){returntrue;}returnfalse;};/*是否是IOS*/functionisIOS(){varuserAgent=window.navigator.userAgent;if(/iphone|ipad|ipod/i.test(userAgent)){returntrue;}returnfalse;};/*是否是微信*/functionisWeiXin(){varuserAgent=window.navigator.userAgent;if(/micromessenger/i.test(userAgent)){returntrue;}returnfalse;}