function delegateHandler(selector, handler, event) {
var eventTarget = event._target || event.target,
currentTarget = closest.call([eventTarget], selector, this)[0];
if (currentTarget && currentTarget !== this) {
if (currentTarget === eventTarget || !(event.isPropagationStopped && event.isPropagationStopped())) {
handler.call(currentTarget, event);
}
}
}
return !Element.prototype.closest ? closest : function (selector, context) {
if (!context) {
var nodes = [];
each(this, function (node) {
var n = node.closest(selector);
if (n) {
nodes.push(n);
}
});
return $(uniq(nodes));
} else {
return closest.call(this, selector, context);
}
};