xmlhttprequest Archives - Page 2 of 2

Why does my http://localhost CORS origin not work?

I am stuck with this CORS problem, even though I set the server (nginx/node.js) with the appropriate headers. I can see in Chrome ...

May 21, 2022
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Why am I getting an OPTIONS request instead of a GET request?

May 15, 2022
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Proper way to catch exception from JSON.parse

I’m using JSON.parse on a response that sometimes contains a 404 response. In the cases where it returns 404, is there a way ...

May 15, 2022
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Origin is not allowed by Access-Control-Allow-Origin

I’m making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap). The response from the server ...

May 11, 2022
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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

In Firefox 3, the answer is 6 per domain: as soon as a 7th XmlHttpRequest (on any tab) to the same domain is ...

May 10, 2022
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How to read a local text file?

I’m trying to write a simple text file reader by creating a function that takes in the file’s path and converts each line ...

May 4, 2022
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“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application running from a file:// URL

I’m developing a page that pulls images from Flickr and Panoramio via jQuery’s AJAX support. The Flickr side is working fine, but when ...

April 30, 2022
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Send POST data using XMLHttpRequest

I’d like to send some data using an XMLHttpRequest in JavaScript. Say I have the following form in HTML: <form name="inputform" action="somewhere" method="post"> ...

April 29, 2022
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Access-Control-Allow-Origin Multiple Origin Domains?

Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header? I’m aware of the *, but it is too open. I ...

April 14, 2022
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How can I upload files asynchronously with jQuery?

I would like to upload a file asynchronously with jQuery. $(document).ready(function () { $("#uploadbutton").click(function () { var filename = $("#file").val(); $.ajax({ type: "POST", ...

April 10, 2022
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