RPC

<h1>Press button to send RPC request</h1>

<a href="javascript:void(0)" class="btn rpc">Send RPC request</a><br />
<a href="javascript:void(0)" class="btn rpcHeader">Send RPC request and expect headers data in response</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('.rpc').addEventListener('click', function() {
    AlipayJSBridge.call('rpc', {
      operationType: 'alipay.client.xxxx',
      requestData: [],
      headers: {}
    }, function(result) {
      alert(JSON.stringify(result));
    });
  });

  document.querySelector('.rpcHeader').addEventListener('click', function() {
    AlipayJSBridge.call('rpc', {
      operationType: 'alipay.client.xxxx',
      requestData: [],
      headers: {},
      getResponse: true
    }, function(result) {
      alert(JSON.stringify(result));
    });
  });
});
</script>