Problem: Chrome Error:Origin null is not allowed by Access-control-allow-origin.Reason: the load () method is used in the. js file, and the Chrome browser does not allow the load local file for security reasons.Method: Add the boot parameter--allow-file-access-from-files to Chrome.Steps: Right-click the Chrome browser shortcut, select "Properties", add "--allow-f
Chrome plug-in popup and cross-origin requests
Tkorays
Popup and other JS scripts
There are several types of JS files in chrome plug-in development: JS files in the popup window, background scripts, and content scripts.
Popup refers to the pop-up window, which is defined by HTML and so on. This page contains scripts, mainly used for the popup interface logi
determine whether an object is an array of the drawbacks)But the chrome console output:uncaught securityerror:blocked A frame with origin "null" from accessing a frame with origin "null". protocols, domains, and ports must match.This is a problem caused by the chrome homology policy, and not only when the IFRAME acces
Set the chrome browser environment variable for cross-origin ajax. ajaxchrome
-- Args -- disable-web-security
After the settings are complete, the chrome browser will prompt
The setting is successful.
How to implement cross-origin ajax access in chrome
Method: append th
In the Chrome and UC browsers of the iphone, when JSONP is used across domains, the request's accept will be: */*;IMAGE/WEBP.When there is no special handling of content-type on the backend, the IMAGE/WEBP will be returned directly, and chrome and UC will not be able to perform the JS returned by JSONP.Solution:1, abandon the Jsonp form cross-domain, instead of setting access-control-allow-originHttp://www.
Today, I saw a post in the Forum
In Chrome, The contentWindow of IFRAME cannot be obtained.
If there is no cross-origin, this is impossible, and it is only possible to obtain it, so I wrote the following two test pages.
Page:
Page B:
The following browsers are tested: ff3.6, IE6, opera10, safair, and chrome.
Except for the last
Since the upgrade of Chrome, inadvertently found that the console under the total annoying tips, is CNZZ statistics.
Look, the current version of Chrome is: Version 56.0.2924.87
To be exact, this annoying CNZZ content tip is as follows:
A parser-blocking, Cross-origin script, Http://s11.cnzz.com/stat.php?id=XXXXXXshow=pic, is invoked via document.write. This is b
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