H5 Jump méthode native

la page H5 saut de méthode native

var isIOS = navigator.userAgent.match(/iPhone|iPad|iPod/i) ? true : false; 
  if (isIOS) {//IOS
      try{
          window.webkit.messageHandlers.fallback1.postMessage('');
      }catch (e) {
          window.location.href=window.driverApp.ios
      }
  } else {//安卓
      try{
          window.fallback.fallback();
      }catch(e){
          window.location.href=window.driverApp.android
      }
  }