I'm wondering if anyone has come across any libraries in javascript that can emulate something like php's cURL?
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At least for in-browser JavaScript, cross-domain rules will make that of limited use. And is it much different from an XmlHttpRequest anyway?Thilo– Thilo2010-09-27 03:14:32 +00:00Commented Sep 27, 2010 at 3:14
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Why yes... jQuery can do pretty much everything cURL can.JAL– JAL2010-09-27 03:15:16 +00:00Commented Sep 27, 2010 at 3:15
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3 Answers
XMLHttpRequest can fetch resources on the same domain/server. If you need something externally just use XHR/Ajax to a server-side page that fetches the external data and outputs it so your XHR can grab it.
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Not possible as the browser sandbox doesn't allow you to make TCP sockets directly. You're limited to the options given by XmlHTttpRequest. You'd need a server-side proxy script to do what you want. Or use flash/java which gives you more options regarding connectivity. Still restricted to the same domain I believe though.
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Yvonne Aburrow
This is the only explanation I have seen of why JavaScript doesn't use cURL. Thanks.
Client-side JavaScript running in a browser only has access to XMLHttpRequest, which are just HTTP requests. cURL does much more than just HTTP, with a whole lot more control, including cross-domain requests. The things JavaScript can do are really quite limited.
