iOS protocol to tune apps

function Openios (URL, callback) {if (!url) {return;    } var node = document.createelement (' iframe ');    Node.style.display = ' None ';    var body = document.body;    var timer;        var clear = function (evt, istimeout) {(typeof callback=== ' function ') && callback (istimeout);        Window.removeeventlistener (' pagehide ', hide, true);        Window.removeeventlistener (' pageshow ', hide, true);        if (!node) {return;        } node.onload = null;        Body.removechild (node);    node = null;    };        var hide = function (e) {cleartimeout (timer);    Clear (E, false);    };    Window.addeventlistener (' pagehide ', hide, true);    Window.addeventlistener (' pageshow ', hide, true);    Node.onload = clear;    node.src = URL;    Body.appendchild (node);    var now = +new Date (); If the event fails, then 1 seconds is set to null timer = SetTimeout (function () {timer = SetTimeout (function () {var newtime = +new Date (          ); if (now-newtime>1300) {            Clear (null, false);          }else{clear (null, true);    }}, 1200); }, 60);}

　　

iOS protocol to tune apps