Added back to top helpers

Author: donasaur

README.md

@@ -18,7 +18,7 @@ proxies and load balancers.
 
 ### Table of Contents
   * [Installation](#installation)
-  * [Upgrading from 0.8.x ?](#upgrade-from-08x)
+  * [Upgrading from 0.8.x ?](#upgrading-from-08x-)
   * [Core Concept](#core-concept)
   * [Use Cases](#use-cases)
     * [Setup a basic stand-alone proxy server](#setup-a-basic-stand-alone-proxy-server)
@@ -42,10 +42,14 @@ proxies and load balancers.
 
 `npm install http-proxy --save`
 
+**[Back to top](#table-of-contents)**
+
 ### Upgrading from 0.8.x ?
 
 Click [here](UPGRADING.md)
 
+**[Back to top](#table-of-contents)**
+
 ### Core Concept
 
 A new proxy is created by calling `createProxyServer` and passing
@@ -93,6 +97,8 @@ The first pipeline (ingoing) is responsible for the creation and manipulation of
 The second pipeline (outgoing) is responsible for the creation and manipulation of the stream that, from your target, returns data
 to the client.
 
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+
 ### Use Cases
 
 #### Setup a basic stand-alone proxy server
@@ -116,6 +122,8 @@ http.createServer(function (req, res) {
 ```
 †Invoking listen(..) triggers the creation of a web server. Otherwise, just the proxy instance is created.
 
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+
 #### Setup a stand-alone proxy server with custom server logic
 This example show how you can proxy a request using your own HTTP server
 and also you can put your own logic to handle the request.
@@ -144,6 +152,8 @@ console.log("listening on port 5050")
 server.listen(5050);
 ```
 
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+
 #### Setup a stand-alone proxy server with proxy request header re-writing
 This example shows how you can proxy a request using your own HTTP server that
 modifies the outgoing proxy request by adding a special header.
@@ -181,11 +191,15 @@ console.log("listening on port 5050")
 server.listen(5050);
 ```
 
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+
 #### Modify a response from a proxied server
 Sometimes when you have received a HTML/XML document from the server of origin you would like to modify it before forwarding it on.
 
 [Harmon](https://github.com/No9/harmon) allows you to do this in a streaming style so as to keep the pressure on the proxy to a minimum.
 
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+
 #### Setup a stand-alone proxy server with latency
 
 ```js
@@ -220,6 +234,8 @@ http.createServer(function (req, res) {
 }).listen(9008);
 ```
 
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+
 #### Using HTTPS
 You can activate the validation of a secure SSL certificate to the target connection (avoid self signed certs), just set `secure: true` in the options.
 
@@ -257,6 +273,8 @@ httpProxy.createServer({
 }).listen(443);
 ```
 
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+
 #### Proxying WebSockets
 You can activate the websocket support for the proxy using `ws:true` in the options.
 
@@ -297,6 +315,8 @@ proxyServer.on('upgrade', function (req, socket, head) {
 proxyServer.listen(8015);
 ```
 
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+
 ### Options
 
 `httpProxy.createProxyServer` supports the following options:
@@ -327,6 +347,8 @@ If you are using the `proxyServer.listen` method, the following options are also
  *  **ssl**: object to be passed to https.createServer()
  *  **ws**: true/false, if you want to proxy websockets
 
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+
 ### Listening for proxy events
 
 * `error`: The error event is emitted if the request to the target fail. **We do not do any error handling of messages passed between client and proxy, and messages passed between proxy and target, so it is recommended that you listen on errors and handle them.**
@@ -383,6 +405,8 @@ proxy.on('close', function (req, socket, head) {
 });
 ```
 
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+
 ### Shutdown
 
 * When testing or running server within another program it may be necessary to close the proxy.
@@ -399,6 +423,8 @@ var proxy = new httpProxy.createProxyServer({
 proxy.close();
 ```
 
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+
 ### Miscellaneous
 
 #### ProxyTable API
@@ -415,6 +441,8 @@ $ npm test
 
 Logo created by [Diego Pasquali](http://dribbble.com/diegopq)
 
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+
 ### Contributing and Issues
 
 * Search on Google/Github
@@ -423,6 +451,8 @@ Logo created by [Diego Pasquali](http://dribbble.com/diegopq)
 * Commit to your local branch (which must be different from `master`)
 * Submit your Pull Request (be sure to include tests and update documentation)
 
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+
 ### License
 
 >The MIT License (MIT)