How to hook original request in webpage using javascript?

Asked Apr 07 '16 at 14:44

Active Apr 07 '16 at 14:55

Viewed 219 times

I want to hook request in webpage. I've tried this but it seems hook only XHR request.

For example, the following html dom will send a request to domain/a.jpg(Can see this request in chrome F12 Network page.)I want to hook this request and get a.jpg.

<img src="/a.jpg">

Does anyone know how to do it??? Thanks very much.

Btw, I want to get a captcha so can't get the resource by sending request by myself or it will change.

edited May 23 '17 at 11:59

Community

asked Apr 07 '16 at 14:44

aiueoH

You can't do that. Instead, you can find `` tags and send your own requests. – SLaks Apr 07 '16 at 14:52
Thanks your comment @SLaks, but i can't send request by myself bcs the image is captcha, it will change with every request. – aiueoH Apr 07 '16 at 14:59
https://davidwalsh.name/convert-image-data-uri-javascript – SLaks Apr 07 '16 at 15:12
Thanks, but i want to get not only image, likes mp3 and others. – aiueoH Apr 08 '16 at 03:17

How to hook original request in webpage using javascript?

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