How to Allow Local File XMLHttpRequest Requests in Google Chrome?

Overcoming XMLHttpRequest Restrictions in Local Files for Google Chrome

XMLHttpRequest requests from local files often encounter Access-Control-Allow-Origin violations, hindering data retrieval from remote URLs. However, it's possible to configure Google Chrome to allow such requests, enabling scripted local web pages to access remote content.

Solution:

Instead of using the potentially risky --disable-web-security switch, employ the --allow-file-access-from-files switch. This alternative addresses the security concerns while allowing XMLHttpRequest to access files from other local files.

Usage:

• Windows: chrome.exe --allow-file-access-from-files
• Mac: open /Applications/Google Chrome.app/ --args --allow-file-access-from-files

Additional Notes:

• For safety, close all running Chrome instances before executing these commands.
• The --allow-file-access-from-files feature has been discussed in various Chromium bug reports and forums.
• This configuration allows XMLHttpRequest requests from local files to remote URLs, providing flexibility for local web pages.

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