![]() ![]() Observer.observe(document.getElementById('divmap'), observerConfig) ĭoes any one know how to solve this problem, any instruction is highly appreciated, thanks a lot. Supported browsers: The browsers compatible with HTTP headers Access-Control-Allow-Origin are listed below: Google Chrome 4. Start observing the target node (divmap) and the specified configuration To check this Access-Control-Allow-Origin in action go to Inspect Element -> Network check the response header for Access-Control-Allow-Origin like below, Access-Control-Allow-Origin is highlighted you can see. Var observer = new MutationObserver(handleMutations) Create a new MutationObserver with the callback function ![]() $(mutation.addedNodes).filter('img').attr("crossorigin", "true") A web browser compares the Access-Control-Allow-Origin with the requesting website's origin and permits access to the response if they match. So I use following codes to catch event before image loading data, but it is still invalid. When you use instantiate the 'cors' module in your express app, the Access-Control-Allow-Origin header is set to be '' a wildcard, which basically means it this server resource (of the express app) is public and can be accessed from any code anywhere, However the limitation of this wildcard is that certain request headers such as. The Access-Control-Allow-Origin header is included in the response from one website to a request originating from another website, and identifies the permitted origin of the request. The Error message show Īnd I found the image element not insert into map object, it is reject when fetching then throw the error. ![]()
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