1. 类
2. ActiveInfo
3. AngleInstancedArrays
4. 缓冲区
5. 画布
6. ColorBufferFloat
7. CompressedTextureAstc
8. CompressedTextureAtc
9. CompressedTextureEtc
10. CompressedTextureETC1
11. CompressedTexturePvrtc
12. CompressedTextureS3TC
13. CompressedTextureS3TCsRgb
14. ContextEvent
15. DebugRendererInfo
16. DebugShaders
17. DepthTexture
18. DrawBuffers
19. ExtBlendMinMax
20. ExtColorBufferFloat
21. ExtColorBufferHalfFloat
22. ExtDisjointTimerQuery
23. ExtDisjointTimerQueryWebGL2
24. ExtFragDepth
25. ExtShaderTextureLod
26. EXTsRgb
27. ExtTextureFilterAnisotropic
28. Framebuffer
29. GetBufferSubDataAsync
30. LoseContext
31. OesElementIndexUint
32. OesStandardDerivatives
33. OesTextureFloat
34. OesTextureFloatLinear
35. OesTextureHalfFloat
36. OesTextureHalfFloatLinear
37. OesVertexArrayObject
38. Program
39. Query
40. Renderbuffer
41. RenderingContext
42. RenderingContext2
43. Sampler
44. Shader
45. ShaderPrecisionFormat
46. Sync
47. Texture
48. TimerQueryExt
49. TransformFeedback
50. UniformLocation
51. VertexArrayObject
52. VertexArrayObjectOes
53. WebGL