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Remove SETATTRIBUTE_IGNORES_NAME feature test, replacing it with a simpler HAS_EXTENDED_CREATE_ELEMENT_SYNTAX one. This avoids invalid injection of FORM into a root element (HTML).

This commit is contained in:
Juriy Zaytsev 2009-12-30 01:33:37 -05:00
parent 56fb5b84a1
commit a260913a30
1 changed files with 15 additions and 18 deletions
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33
src/dom/dom.js
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@ -110,31 +110,26 @@ if (!Node.ELEMENT_NODE) {
* // The new way:
* var a = new Element('a', {'class': 'foo', href: '/foo.html'}).update("Next page");
**/
(function(global) {
// setAttribute is broken in IE (particularly when setting name attribute)
// see: http://msdn.microsoft.com/en-us/library/ms536389.aspx
var SETATTRIBUTE_IGNORES_NAME = (function(){
var elForm = document.createElement("form"),
elInput = document.createElement("input"),
root = document.documentElement;
elInput.setAttribute("name", "test");
elForm.appendChild(elInput);
root.appendChild(elForm);
var isBuggy = elForm.elements
? (typeof elForm.elements.test == "undefined")
: null;
root.removeChild(elForm);
elForm = elInput = null;
return isBuggy;
(function(global) {
var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX = (function(){
try {
var el = document.createElement('<input name="x">');
return el.tagName.toLowerCase() === 'input' && el.name === 'x';
}
catch(err) {
return false;
}
})();
var element = global.Element;
global.Element = function(tagName, attributes) {
attributes = attributes || { };
tagName = tagName.toLowerCase();
var cache = Element.cache;
if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
if (HAS_EXTENDED_CREATE_ELEMENT_SYNTAX && attributes.name) {
tagName = '<' + tagName + ' name="' + attributes.name + '">';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);
@ -142,12 +137,14 @@ if (!Node.ELEMENT_NODE) {
if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
};
Object.extend(global.Element, element || { });
if (element) global.Element.prototype = element.prototype;
})(this);
Element.cache = { };
Element.idCounter = 1;
Element.cache = { };
Element.Methods = {
/**