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@ -10,9 +10,7 @@ World": |
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http = require("http"); |
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http.createServer(function (request, response) { |
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response.writeHead(200, { |
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"Content-Type": "text/plain" |
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}); |
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response.writeHead(200, {"Content-Type": "text/plain"}); |
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response.end("Hello World\n"); |
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}).listen(8000); |
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@ -136,19 +134,19 @@ are readable, writable, or both. All streams are instances of `EventEmitter`. |
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A **readable stream** has the following methods, members, and events. |
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- **`stream.addListener('data', function (data) { ... })`**: |
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- Event: **`'data'`** - `callback(data)`: |
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The `'data'` event emits either a `Buffer` (by default) or a string if |
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`setEncoding()` was used. |
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- **`stream.addListener('end', function () { ... })`**: |
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- Event: **`'end'`** - `callback()`: |
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Emitted when the stream has received an EOF (FIN in TCP terminology). |
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Indicates that no more `'data'` events will happen. If the stream is also |
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writable, it may be possible to continue writing. |
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- **`stream.addListener('error', function (exception) { ... })`**: |
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- Event: **`'error'`** - `callback(exception)`: |
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Emitted if there was an error receiving data. |
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- **`stream.addListener('close', function () { ... })`**: |
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- Event: **`'close'`** - `callback()`: |
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Emitted when the underlying file descriptor has be closed. Not all streams |
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will emit this. (For example, an incoming HTTP request will not emit |
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`'close'`.) |
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@ -170,14 +168,14 @@ Closes the underlying file descriptor. Stream will not emit any more events. |
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A **writable stream** has the following methods, members, and events. |
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- **`stream.addListener('drain', function () { ... })`**: |
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- Event: **`'drain'`** - `callback()`: |
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Emitted after a `write()` method was called that returned `false` to |
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indicate that it is safe to write again. |
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- **`stream.addListener('error', function (e) { ... })`**: |
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- Event: **`'error'`** - `callback(exception)`: |
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Emitted on error with the exception `e`. |
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- **`stream.addListener('close', function () { ... })`**: |
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- Event **`'close'`** - `callback()`: |
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Emitted when the underlying file descriptor has been closed. |
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- **`stream.write(string, encoding)`**: |
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@ -233,7 +231,7 @@ The `process` object is a global object and can be accessed from anywhere. |
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It is an instance of `EventEmitter` and has the following events: |
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### process.addListener('exit', function () { ... }) |
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### Event: 'exit' - callback() |
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Emitted when the process is about to exit. This is a good hook to perform |
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constant time checks of the module's state (like for unit tests). The main |
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@ -251,7 +249,7 @@ Example of listening for `exit`: |
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sys.puts("About to exit."); |
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}); |
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### process.addListener('uncaughtException', function (err) { ... }) |
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### Event: 'uncaughtException' - callback(err) |
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Emitted when an exception bubbles all the way back to the event loop. If a |
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listener is added for this exception, the default action (which is to print |
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@ -279,7 +277,7 @@ your program's flow. Especially for server programs that are designed to |
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stay running forever, `uncaughtException` can be a useful safety mechanism. |
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### process.addListener('SIGINT', function () { ... }) |
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### Event: 'SIGINT' - callback() |
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Emitted when the processes receives a signal. See sigaction(2) for a list of |
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standard POSIX signal names such as SIGINT, SIGUSR1, etc. |
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