H5 page pull up the app in the phone

<!        DOCTYPE html>varUrl_ios = "Cgtz://songjiangdai"//iOS Open link    varUrl_ios_download= "Https://itunes.apple.com/cn/app/song-jiang-dai/id984424855?mt=8"//iOS    varurl_android = "Sjd://lg.app"//Android Punch-out link    varUrl_android_download = "https://cgtzfiles.b0.upaiyun.com//cgjr/jrwx/apk/songjiangdai_release_2.2.2_dx.apk"// Android    if(Navigator.userAgent.match (/(Iphone|ipod|ipad);? /i)) {//determine your iOS phone        varLoadtime =NewDate (); Window.location.href=url_ios//Open the app in your phoneSetTimeout (function(){//download app after two seconds            varOuttime =NewDate ()if(Outtime-loadtime > 800) {Location.href=Url_ios_download; }        },2000)    }Else{//Android Phone        varLoadtime =NewDate (); Location.href= Url_android;//Open the app in your phoneSetTimeout (function(){//download app after two seconds            varOuttime =NewDate ()if(Outtime-loadtime > 800) {Location.href=Url_android_download; }        },2000)    }        </script> </body>
H5 page pull up the app in the phone