More recently a third model has appeared on the scene when W3C published its DOM Eventspecification.
最近W3C发布了DOM事件的机制后第三种模型现身荧幕。
2
Validates the event; that is, ensures that it passes all validation criteria set by the Common Base eventspecification.
验证事件，目的是确保它能够通过通用基础事件规范中设置的所有验证标准。
3
The event selector syntax is a subset of the W3C XPath (this is not a coincidence as the Common Base eventspecification describes events in terms of their serialization as XML documents).