Im currently switching my application from using Socket.io to HTML5 WebSockets. I'm assuming that my problem lies within the first couple lines of both the client and server. My browser keeps on replying with a 426 (Upgrade Required) status when...
I am implementing an application which relies upon communication between a JavaScript client and a server which knows how to respond to the client using JSONP notation.  I am attempting to handle the case in my Javascript client where my server retur...
We are currently engaged in a project hosted by our university. We are supposed to open a JSON file with some data in it, provided by a web server.  The code that is used in this scenario is the following:  listeAbrufen: function() {     var load = n...
I was trying to put the Twitter widget onto a few Blogger/Blogspot blogs (which is supposed to be super-simple and almost was) when I noticed it wasn't working sometimes -- specifically the times when I wasn't logged in to Blogger/Google as a...
On my page I have the following JavaScript using jQuery:  $("#my-div").append($("<img>", {src: "/api/userimage/"+imageHash}));   It works fine when the server returns 200 OK for the image but not when it returns 304 Not...
I have a content script which manipulates a webpage. If the webpage doesn't load (maybe the server gives you an error 500, or chrome can't connect) I want it to retry and refresh the page after a minute or two.  Content scripts aren't inj...
Should an OPTIONS request ever return a 429?  The problem is really that a Browser client (js) can not detect the 429 correctly when returned from an OPTIONS request. So I'm leaning towards only returning 429 for non OPTIONS requests.  What is be...
Lets say I have a single-page web application with a list of items where a user can click on an item to view more info about it. The actual item info is loaded asynchronously, using an AJAX GET request to the URL http://www.example.com/item/[id] and...
I am building an app in which I am trying to build my own logging system for each request.  For each request, I'd like to log the timestamp, the method used, the route, and finally the response code that has been sent to the client.  I have the f...
I'm trying to handle a Status: HTTP/1.1 204 No Content error. I'm using .fail() to handle all other errors, but 204 is not handled by this function. While trying if (jqXHR.status == "204") {alert("error!");}, the alert is not...

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