1. Dart
2. dart:html
3. HtmlCollection
4. item method

HtmlCollection class

1. Properties
2. first
3. hashCode
4. isEmpty
5. isNotEmpty
6. iterator
7. last
8. length
9. reversed
10. runtimeType
11. single
12. Methods
13. add
14. addAll
15. any
16. asMap
17. cast
18. clear
19. contains
20. elementAt
21. every
22. expand
23. fillRange
24. firstWhere
25. fold
26. followedBy
27. forEach
28. getRange
29. indexOf
30. indexWhere
31. insert
32. insertAll
33. item
34. join
35. lastIndexOf
36. lastIndexWhere
37. lastWhere
38. map
39. namedItem
40. noSuchMethod
41. reduce
42. remove
43. removeAt
44. removeLast
45. removeRange
46. removeWhere
47. replaceRange
48. retainWhere
49. setAll
50. setRange
51. shuffle
52. singleWhere
53. skip
54. skipWhile
55. sort
56. sublist
57. take
58. takeWhile
59. toList
60. toSet
61. toString
62. where
63. whereType
64. Operators
65. operator +
66. operator ==
67. operator []
68. operator []=

Node? item(int? index) native;