javascript

CHAPTER 7 ■ TRAVERSING AND MODIFYING THE DOM TREE
while (node !== null) {
arguments.callee(node, func);
node = node.nextSibling;
}
}
function findClass(name, root) {
var found = [];
root = root || document.body;
traverseTree(root, function(node) {
if (!! node.className) {
for (var names = node.className.split(/\s+/), i = names.length; i --; ) {
if (names[i] === name) {
found.push(node);
}
}
}
});
return found;
}
findClass("sprite");
// [li#twitter.sprite, li#facebook.sprite, li#flickr.sprite, li#linkedin.sprite]
Did JavaScript return an array containing your four elements? Good job. You’re not a JavaScript
bumpkin anymore!
Figure 7–13. Retrieving elements of the same class
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