I know iterations of this question have been answered a lot, but I couldn't find a valid answer among them
I have an iframe and I want to play with it using javascript to test stuff. It's for personal testing only, I don't want it public.
I want a browser that allows me to do this without getting "Uncaught DOMException: Blocked a frame with origin X from accessing a cross-origin frame.
I've tried:
For some reason, the browsers still throw that error.
I know I can write a script in another environment like node to load and manipulate the page, but I want to do it in a browser
So is there a browser that has no cross-domain security, or no security at all, but supports html5 for test purposes?
In recent versions of Chrome (77+), in addition to --disable-web-security
, you've have to add the --disable-site-isolation-trials
flag to access cross origin frames.
The command line to start Chrome will be something like
chrome.exe --disable-web-security --user-data-dir="C:\Users\Administrator\chrome-profile" --disable-site-isolation-trials
Source: https://www.chromium.org/Home/chromium-security/site-isolation
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