If you control both, its much easier and this example will cover such use-case. data that is sent over those messages needs to be serialized, its tricky to start communication because most of the time your arent sure what loaded first: main window or an iframe. On the receiver window the postMessage() trigger a message event where you can get the data like this: window. main window and an iframe can exchange data using postMessages. For this, you can use the window.open() return value or in case of an iFrame the contentWindow property. To send a message first, you need to get a window reference or an iframe instance where you will post your data. targetOrigin – the URL where we send our message.message – a string or object which is our data,.Need a reliable web application developer? We can help you achieve your goals with Laravel and Vue.js. With this trick, I were able to catch the iFrame load end and so on. I’ve used it for an advertisement solution where were the embedded iFrame banners had to communicate and send a message to the main window – where the ad script ran. The use cases for this methodology is unique. Using this function, you can quickly get around the mixed origin problem safely because you can send the data to the correct location and then make all your processing on the same origin without any related error. I am receiving data on other sites using this iframe so the problem seems to be with the wix/velo code. The desired end result is being able to pass utm params from wixLocation to the iframe. With postMessage(), you don’t need similar protocol, host or port to send a message to other domains code. I am trying to use the postMessage API to receive and send data to an embedded iframe in my wix site. If the player displays controls, it must be large enough to fully display the. Embedded players must have a viewport that is at least 200px by 200px. If you want to send a cross-origin request, you need to set up your PHP headers on the receiver side to enable this type of cross communication. Most modern browsers support postMessage. This is a JavaScript solution, so it works on the client side. It is something you also make with simple AJAX request, but here there aren’t classical cross-origin restriction. PostMessage used incorrectly could potentially make your website vulnerable for crosssite-scripting attacks. With the use of postMessage() method, you can communicate between different windows or iframes. The window.postMessage () method enables cross-origin communication between a window object and an embedded iFrame and therefore provides a mechanism to circumvent this restriction.
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