创建一个DOM NodeList

问题描述

我正在实施ECMA-357附件A中描述的所有可选的E4X功能，并且我在执行domNodeList（§A.1.2和§A.2.2）时遇到困难。我如何创建自己的NodeList对象？

即使我创建了一个新的XMLDocument，并附加了XMLList中节点的每个domNode（）表示，我还是不看看我如何创建一个包含所有内容的NodeList，通常排除注释和处理指令。

解决方案

我想到可以使用一个文档片段的childNodes属性来创建一个NodeList。这是我的解决方案：

  XML.prototype.function :: domNodeList = function（）{
 var fragment = document .createDocumentFragment（），
 len = this.length（），
i = 0; $; 
 for（; i< len; i ++）{
 fragment.appendChild（this [i] .domNode（））; 
} 
 return fragment.childNodes; 
} 
  

I'm implementing all of the optional E4X features described in ECMA-357 Annex A and I'm having trouble implementing domNodeList (§A.1.2 and §A.2.2). How would I create my own NodeList object?

Even if I create a new XMLDocument and append every domNode() representation of the nodes in an XMLList, I still don't see how I could create a NodeList containing everything as comments and processing instructions are usually excluded.

解决方案

I figured out that I could use the childNodes attribute of a document fragment to create a NodeList. This was my solution:

XML.prototype.function::domNodeList = function () {
    var fragment = document.createDocumentFragment(),
    len = this.length(),
    i = 0;
    for (; i < len; i++) {
        fragment.appendChild(this[i].domNode());
    }
    return fragment.childNodes;
}

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