1. 属性
2. attrChange
3. attrName
4. bubbles
5. cancelable
6. composed
7. currentTarget
8. defaultPrevented
9. eventPhase
10. hashCode
11. isTrusted
12. matchingTarget
13. newValue
14. path
15. prevValue
16. relatedNode
17. runtimeType
18. target
19. timeStamp
20. type
21. 方法
22. composedPath
23. initMutationEvent
24. noSuchMethod
25. preventDefault
26. stopImmediatePropagation
27. stopPropagation
28. toString
29. 运算符
30. 运算符 ==
31. 常量
32. ADDITION
33. MODIFICATION
34. REMOVAL