children IE

(function (constructor) {
    if (constructor &&
        constructor.prototype &&
        constructor.prototype.children == null) {

        Object.defineProperty(constructor.prototype, 'children', {
            get: function () {
                var i = 0, node, nodes = this.childNodes, children = [];
                //iterate all childNodes
                while (node = nodes[i++]) {
                    //remenber those, that are Node.ELEMENT_NODE (1)
                    if (node.nodeType === 1) { children.push(node); }
                }
                return children;
            }
        });
    }
  //apply the fix to all HTMLElements (window.Element) and to SVG/XML (window.Node)
})(window.Node || window.Element);