IE7：如何创建真实的NodeList？

querySelectorAll

querySelectorAll

querySelectorAll

NodeList

NodeList

(function(d) {
     d=document, a = d.styleSheets[0] || d.createStyleSheet();

     if (! vxJS.isHostMethod(d, \'querySelectorAll\')) {
         d.querySelectorAll = function(e) {
             a.addRule(e,\'f:b\');

             for (var l=d.all, b=0, c=d.createDocumentFragment(),f=l.length; b<f; b++) {
                  l[b] && l[b].currentStyle.f && c.appendChild(l[b].cloneNode(true));
             }
             a.removeRule(a.rules.length - 1);
             return c.childNodes;
         };
     }
 })();

appendChild

cloneNode

if (!Array.prototype.item) {
    Array.prototype.item = function (i) {
        \"use strict\";

        return this[i];
    };
}