Configure Chrome to support local (file protocol) AJAX requests

Configure Chrome to support local (file protocol) Ajax request URLs: Configure Chrome to support local (file protocol) AJAX requests

When the HTML code is dragged into Chrome through the file protocol, the AJAX request local file will report a cross-domain error.
XMLHttpRequest cannot load file:///E:/webs/extJS/ext-3.3.0/examples/csdn/combobox.txt?_dc=1414738973999.
Cross origin requests is only supported for protocol schemes:http, data,
Chrome-extension, HTTPS, Chrome-extension-resource.

The workaround is to add a boot parameter to Chrome:--allow-file-access-from-files so that local AJAX requests do not report cross-domain errors.
(Note that if you add multiple startup parameters to Chrome, each startup parameter "--" should be separated by a space,
such as "C:\Program Files\google\chrome\application\chrome.exe"--enable-file-cookies--allow-file-access-from-files)

How to add Chrome boot parameters to support AJAX requests under the file protocol,
See this: Chrome can't save the local settings cookie solution

After you have added the--allow-file-access-from-files startup parameters,
The local file load file can also be resolved, causing the IFRAME and parent pages to be inaccessible to each other.
Window.Open open page Using opener null problem, refer to: Chrome local test access Iframe,parent,opener null workaround

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Configure Chrome to support local (file protocol) AJAX requests