Method removeAttributeNS

src/undom.js:132–134

(ns, name)

			return attr && attr.value;
		}
		removeAttributeNS(ns, name) {
			splice(this.attributes, createAttributeFilter(ns, name));
		}

		addEventListener(type, handler) {
			(this.__handlers[toLower(type)] || (this.__handlers[toLower(type)] = [])).push(handler);