popWindow

<h1>Close current page</h1>
<a href="#" class="btn J_demo">Execute</a>
<script>
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('a').addEventListener('click', function() {
    AlipayJSBridge.call('popWindow');
  });
});
</script>

<h1>Click"New window"，then click "Pop window" to check this demo</h1>
<a href="#" class="btn pop">Pop window</a>
<a href="#" class="btn new">New window</a>
<script>
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('.new').addEventListener('click', function() {
    AlipayJSBridge.call('pushWindow', {
      url: location.pathname
    });
  });

  document.querySelector('.pop').addEventListener('click', function() {
    AlipayJSBridge.call('popWindow', {
      data: {
        from: location.href,
        info: Date.now()
      }
    });
  });

  document.addEventListener('resume', function(event) {
    alert('Data from closed window' + JSON.stringify(event.data));
  });
});
</script>