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// in Person.h -----------------
@class Person;

@protocol PersonJSExports <JSExport>
    @property (nonatomic, copy) NSString *firstName;
    @property (nonatomic, copy) NSString *lastName;
    @property NSInteger ageToday;

    - (NSString *)getFullName;

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-(void)gcdTest1
{
    dispatch_queue_t concurrentDispatchQueue=dispatch_queue_create("com.test.queue", DISPATCH_QUEUE_CONCURRENT);
  
    dispatch_async(concurrentDispatchQueue, ^{
        NSLog(@"1");
    });
    dispatch_async(concurrentDispatchQueue, ^{
        sleep(2);
        NSLog(@"2");

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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	$(SRCROOT)/projectComponents/RNShare/RNShare
http://lucifer1988.github.io/blog/2015/11/05/ioskai-fa-bei-wang-lu-1/

1.library和framework的比较

library也就是我们常用的.a文件，而framework就是.framework文件，当然还有.dylib这样的文件。

静态库和动态库的区别

静态库：链接时完整地拷贝至可执行文件夹中，被多次使用时会有多份冗余拷贝。

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// 文章配图

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// file location
// node_module/react-native/local-cli/server/util/debugger.html

function connectToDebuggerProxy() {
  var ws = new DebuggerWebSocket('ws://' + window.location.host + '/debugger-proxy');

  ws.onopen = function() {
    if (sessionID) {
      setStatus('Debugger session #' + sessionID + ' active.');
      ws.send(JSON.stringify({replyID: parseInt(sessionID, 10)}));

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// file location
// node_module/react-native/Libraries/WebSocket
- (void)executeApplicationScript:(NSData *)script sourceURL:(NSURL *)URL onComplete:(RCTJavaScriptCompleteBlock)onComplete
{
  NSDictionary<NSString *, id> *message = @{
    @"method": @"executeApplicationScript",
    @"url": RCTNullIfNil(URL.absoluteString),
    @"inject": _injectedObjects,
  };
  [self sendMessage:message waitForReply:^(NSError *error, NSDictionary<NSString *, id> *reply) {

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// file location:
// node_modules/react-native/local-cli/server/util/debuggerWorker.js
var messageHandlers = {
  'executeApplicationScript': function(message, sendReply) {
    for (var key in message.inject) {
      self[key] = JSON.parse(message.inject[key]);
    }
    importScripts(message.url);
    sendReply();
  }

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// file location
// node_module/react-native/local-cli/server/runServer.js
function runServer(args, config, readyCallback) {
  var wsProxy = null;
  const packagerServer = getPackagerServer(args, config);
  const app = connect()
    .use(loadRawBodyMiddleware)
    .use(connect.compress())
    .use(getDevToolsMiddleware(args, () => wsProxy && wsProxy.isChromeConnected()))
    .use(openStackFrameInEditorMiddleware)

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    debugLog:function (message) {
      if (Constants.DEBUG){
        if(console){
          // 获取调用函数的人 并插在第一个
          let callee = arguments.callee.caller.toString();
          var mainArguments = Array.prototype.slice.call(arguments);
          mainArguments.unshift(callee);

          console.log.apply(console, mainArguments);
        }