This extension puts a little envelope in your. You can install this extension from its Firefox Add-On page. Requests must be GET or POST Requests must use the same protocol as the page http -> http Requests only emit progress, timeout and error Requests may only use the Content-Type header The CORS spec is not as simple as it seems, XDomain allows you to use plain XHR instead. I study the example of this tutorial page and found that it does forced clients to use a bat file (or executable file). Notifies you if a site uses the postMessage API. This particular API adds a new method to every window (including the current window, popups, iframes, and frames) that allows you to send textual messages from your current window to any other regardless of any cross-domain policies that might exist. Lets take a look at how window. However I think due to deprecating plugin NPAPI in chrome, it is not applicable anymore.Īnother approach is using Native Messaging which introduce in. Essentially window.postMessage acts as cross-domain AJAX without the server shims. Broadly, one window may obtain a reference to another ( e.g., via targetWindow window.opener ), and then dispatch a MessageEvent on it with targetWindow.postMessage(). Main.js in the app folder : var port = null ĭocument.getElementById('response').innerHTML += "" + text + "" ĭocument.getElementById('connect-button').style.display = 'none' ĭocument.getElementById('input-text').style.display = 'block' ĭocument.getElementById('send-message-button').style.display = 'block' ĭocument.getElementById('connect-button').style.display = 'block' ĭocument.getElementById('input-text').style.display = 'none' ĭocument.getElementById('send-message-button').style.display = 'none' postMessage() schedules the MessageEvent to be dispatched only after all pending execution contexts have finished. Firefox is for everyone Available in over 90 languages, and compatible with Windows, Mac and Linux machines, Firefox works no matter what you’re using or where you are. window.postMessage() provides a controlled mechanism to securely circumvent this restriction (if used properly). The extension is the app folder while connection with a executable file is provided in the host folder. ![]() ![]() ![]() We must create two folders called app and host.
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