postMessage () function we call in order to pass data to another window. Fix problems connecting to websites after updating Firefox - if you experience connection problems after updating. It allows a window from to talk to and exchange information, but only if they both agree and call corresponding JavaScript functions. So, it’s a way around the Same Origin policy. ![]() Can be any object, the data is cloned using the structured serialization algorithm. In other words, if we want to send the message to win, we should call win.postMessage(data, targetOrigin). Review system requirements Put Firefox on all your devices Take your privacy with you everywhere. Make sure your operating system is up to date for the best experience. Click the Font button to bring up the RGB bars for the text. You can change the text color on a page in the same way. MyPopup. event.source Reference to the window that sent the message. If another web browser works just fine, one of following solutions should fix things: Firefox can't load websites but other browsers can - if you can view websites in browsers other than Firefox. The postMessage interface allows windows to talk to each other no matter which origin they are from. The window that wants to send a message calls postMessage method of the receiving window. 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. Then click the Colour Changer button and the Background option drag the sliders on the Red, Green, and Blue bars to change the page’s background color. ![]() Var message = 'Hello! The time is: ' + (new Date().getTime()) Ĭonsole.log('blog.local: sending message: ' + message) Var myPopup = window.open(domain + '/windowPostMessageListener.html','myWindow') With the source, we will open a new window (or IFrame, if you'd prefer to), send the new window message (for the sake of our example, we'll do so every 6 seconds, and create an event listener for any response we receive from the destination window. ![]() The first part of the process is setting up a "source".
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