addNotifyListener

<h1>Please click on the buttons below</h1>
<p>Although the following test is conducted in one page, you can use this API to listen to events happens in other pages</p>

<a href="#" class="btn start">Start Listening</a>
<a href="#" class="btn stop">Stop Listening</a>
<a href="#" class="btn send">Notify</a>
<script>
function callback(e) {
  alert(JSON.stringify(e));
};

function ready(callback) {
  // Invoke directly if JSBridge is already injected
  if (window.AlipayJSBridge) {
    callback && callback();
  } else {
    // Otherwise listen to `AlipayJSBridgeReady` event
    document.addEventListener('AlipayJSBridgeReady', callback, false);
  }
}
ready(function(){
  document.querySelector('.start').addEventListener('click', function() {
    AlipayJSBridge.call('addNotifyListener', {
      name:'NEBULANOTIFY_TEST_EVENT' 
      // H5 event name must be prefixed with NEBULANOTIFY_
    }, callback);
  });

  document.querySelector('.stop').addEventListener('click', function() {
    AlipayJSBridge.call('removeNotifyListener', {
      name:'NEBULANOTIFY_TEST_EVENT'       // H5 event name must be prefixed with NEBULANOTIFY_
    }, function(e) {
      alert(JSON.stringify(e));
    });
  });

  document.querySelector('.send').addEventListener('click', function() {
    AlipayJSBridge.call('postNotification', {
      name:'NEBULANOTIFY_TEST_EVENT',       // H5 event name must be prefixed with NEBULANOTIFY_
      data: {
        hello: 'world'
      }
    });
  });
});
</script>