Here's how I used postMessage to get the height and width of a document in an iFrame. PostMessages if are not implemented correctly could lead to information disclosure or cross-site scripting vulnerabilities (XSS). Resources URL cdnjs 0. 24. For example, in website1 we navigate to “changed.html”, then the back button in website2 points to “changed.html”. In comparison, detecting, wrapping, and pausing YouTube videos using their API is a total of 53 lines of code! Sometimes you need to use window.opener.postMessage(); For example if child window had some redirects. HTML 5 PostMessage / Detect iFrame Failed To Load, HTML5 dragleave fired when hovering a child element, html5 setting onmessage handler for iframe in parent script. The window.postMessage() method safely enables cross-origin communication between Window objects; e.g., between a page and a pop-up that it spawned, or between a page and an iframe embedded within it. http://www.youtube.com/watch?v=R2hOvZ7bwXU, http://caniuse.com/#feat=addeventlistener, Nvidia has acquired Arm. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Job interview adjustment request was ignored. How to identify if a webpage is being loaded inside an iframe or directly into the browser window? The OPEN WINDOW button opens a new browser window on click of it. My problem is that I need it to work the opposite way round (child to parent) and dont know how to target the parent window. How does the highlight.js change affect Stack Overflow specifically? Sometimes you need to use window.opener.postMessage(); For example if child window had some redirects. : No autoresizing to fit the code.
For example, if there is a single iframe element in a page, it can be accessed as document.getElementsByTagName("iframe")[0].contentWindow.It can also be a new browser window … My post showed interaction from parent to child and back to the parent, but didn't detail passing messages from a child to a … 6. inter-Iframe communication using postMessage. Any window can send a message to any other window, and you have no guarantees that an unknown sender will not send malicious messages. iframe.contentDocument to get the document inside the