Path: blob/main/files/en-us/mozilla/firefox/releases/3/dom_improvements/index.md
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Firefox 3 offers a number of improvements to the Document Object Model (DOM), especially in regard to support for extensions to the DOM added by other browsers. This article provides a list of those improvements as well as links to more detailed documentation.
The Internet Explorer
clientTopandclientLeftDOM extensions are now supported.The
window.fullScreenproperty is now always accurate no matter where it is read, even in content. Previously it would returnfalseinaccurately (Webkit bug 127013).The
getClientRectsandgetBoundingClientRectDOM extensions are now supported (see Webkit bug 174397).The Internet Explorer
elementFromPointDOM extension is now supported (Webkit bug 199692).The Internet Explorer
oncut,oncopy, andonpasteDOM extensions are now supported (Webkit bug 280959).Added privileged-code-only getters for
Node.nodePrincipal,Node.baseURIObject, anddocument.documentURIObject. Chrome code must not touch (get or set) these properties on an unwrapped content object (e.g. on awrappedJSObjectof anXPCNativeWrapper), see Webkit bug 324464 for details.The Web Applications 1.0 (HTML5)
getElementsByClassName()DOM method is now supported.The Web Applications 1.0 (HTML5)
window.postMessageDOM method is now supported. This method allows a limited, opt-in form of client-side communication between windows not necessarily on the same domain.The
charCodevalue of thekeypressevent is changed to an ASCII character if the accelerator key is pressed. Otherwise thecharCodeis the unmodified character (exceptingShiftstate). See Gecko Keypress Event.