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I was playing around with DOM DocumentFragments recently, in JavaScript, seeing what I could make with them. Roughly speaking, a DocumentFragment is a lightweight container that can hold DOM nodes. It's part of the DOM 1 specification and is supported in all modern browsers (it was added to Internet Explorer in version 6).
In reading up on them I came across an interesting point, from the specification: Furthermore, various operations -- such as inserting nodes as children of another Node -- may take DocumentFragment objects as arguments; this results in all the child nodes of the DocumentFragment being moved to the child list of this node. This means that if you take a bunch of DOM nodes and append them to a fragment th...... (查看原文) 2008-07-21 16:16 |
