H5 and APP (Android and IOS) interactive method
var u = navigator.userAgent, app = navigator.appVersion; var isAndroid = u.indexOf ( 'Android')> -1 || u.indexOf ( 'Linux')> -1; // android terminal or browser uc var isiOS = !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/); //ios终端 if (isAndroid) { . window toScreeningReport .postMessage (); // toScreeningReport a method h5 and app consultations, named by the app free } else if (isiOS) { . window.webkit.messageHandlers toScreeningReport .postMessage (null); // toScreeningReport H5 and a method app negotiated, named by the app free }