Access-Control-Allow-Origin Error At Android 4.1
you need to do something like if (Build.VERSION.SDK_INT >= VERSION_CODES.JELLY_BEAN) wv.getSettings().setAllowUniversalAccessFromFileURLs(true);
cross-domain
Cross domain iframe content load detection
The easiest way (if you can get code added to the external sites) is to have them add an invisible iframe pointing to a special html file on your domain. This could then use parent.parent.foo() to notify the original window about the load event. Listening for the “load” event will only tell you if the … Read more
Phonegap-Javascript sending cross-domain ajax request
Cordova/PhoneGap allow for whitelisting of domains. As long as the server you are requesting is in the whitelist.
Cross-domain XMLHttpRequest using background pages
You don’t have to mess with iframes. It’s possible to perform cross-domain XMLHttpRequests, using background pages. Since Chrome 13, cross-site requests can be made from the content script. However, requests can still fail if the page is served with a Content Security Policy header with a restricting connect-src. Another reason for choosing the nexy method … Read more
Access to XMLHttpRequest has been blocked origin ASP.NET CORE 2.2.0 / Angular 8 / signalr1.0.0 [(CORS Policy-Access-Control-Allow-Origin) failed]
You should add your CORS like this: services.AddCors(options => { options.AddPolicy(“CorsPolicy”, builder => builder.WithOrigins(“http://localhost:4200”) .AllowAnyHeader() .AllowAnyMethod() .AllowCredentials() .SetIsOriginAllowed((host) => true)); }); Note: The order is important!
How to make synchronous JSONP crossdomain call
As explained by zi42, and by the jQuery.ajax() documentation, ‘Cross-domain requests and dataType: “jsonp” requests do not support synchronous operation.’ This is not a bad thing, given that a synchronous call tends to result in a poor user experience because it locks up the browser until the response comes back, so I’d steer clear of … Read more
Get List of jQuery UI themes – from an URL (same-origin-policy)
It seems that the server does not allow a cross domain request. Nothing you can do. You can set up a PHP script that can curl that page and then you can just ajax the PHP script. Like what kuncajs said You can use this short PHP curl script on your server: <?php $ch = … Read more
Can Cross-Origin Resource Sharing headers authorize X-Domain IFRAME access?
CORS doesn’t let you do that, but you can use cross-document messaging to send strings between iframes and their parent windows even on different domains, and use that to communicate. Most browsers support this although Internet Explorer’s way differs from the others‘. Assuming what you want is to have the iframe announce to the parent … Read more
Basic how-to for cross domain jsonp
JSONP requires the cooperation of the server to succeed. You cannot pull random pages using JSONP and expect them to succeed; the server needs to know: It needs to formulate a JSONP response, rather than a JSON response. It needs to know the name of the function to wrap the response around. If you’re unsure … Read more