var u = navigator.userAgent, app = navigator.appVersion; var isAndroid = u.indexOf('Android') > -1 || u.indexOf('Linux') > -1; //android终端或者uc浏览器 var isiOS = !!u.match(//(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端 alert('是否是Android:'+isAndroid); alert('是否是iOS:'+isiOS);