The WindowEventHandlers.onbeforeunload event handler property contains the code executed when the beforeunload is sent. This event fires when a ... ... <看更多>

Cross-Site onbeforeunload. GitHub Gist: instantly share ... Cross-Site onbeforeunload. Raw. iframe-child.html ... window.onbeforeunload = onWindowUnload;. ... <看更多>

The onbeforeunload property of the WindowEventHandlers mixin is the event handler for processing beforeunload events. These events fire when a ... ... <看更多>

Preventing child iframe from “breaking out of frame”; and; Frame Buster Buster ... window.onbeforeunload = function() { prevent_bust++; } ... ... <看更多>

onbeforeunload 版. var iframes = document.getElementsByTagName('iframe') for (var i = 0, j = iframes.length; i < j; ++i) { // 放在闭包中， ... ... <看更多>

<iframe src="https://www.youtube.com/embed/PEr5agHOTcg" width="560" ... YouTube其實有提供一個很好用的工具，叫做IFrame Player API，可以利用這 ... ... <看更多>