1. WOFF - Web Open Font Format

    Compressed TrueType/OpenType font that contains information about the font's source.

  2. htmlsourceelement api: type

  3. mediasource api: `istypesupported()` static method

  4. performanceresourcetiming api: deliverytype

  5. performanceresourcetiming api: deliverytype: `deliverytype="navigational-prefetch"`

  6. performanceresourcetiming api: initiatortype

  7. rtcstatsreport api: `media-source` stats

  8. rtcstatsreport api: `media-source` stats: `audiolevel` in 'media-source' stats

  9. rtcstatsreport api: `media-source` stats: `frames` in 'media-source' stats for video

  10. rtcstatsreport api: `media-source` stats: `framespersecond` in 'media-source' stats for video

  11. rtcstatsreport api: `media-source` stats: `height` in 'media-source' stats for video

  12. rtcstatsreport api: `media-source` stats: `id` in 'media-source' stats

  13. rtcstatsreport api: `media-source` stats: `kind` in 'media-source' stats

  14. rtcstatsreport api: `media-source` stats: `timestamp` in 'media-source' stats

  15. rtcstatsreport api: `media-source` stats: `totalaudioenergy` in 'media-source' stats

  16. rtcstatsreport api: `media-source` stats: `totalsamplesduration` in 'media-source' stats

  17. rtcstatsreport api: `media-source` stats: `trackidentifier` in 'media-source' stats

  18. rtcstatsreport api: `media-source` stats: `type` in 'media-source' stats

  19. rtcstatsreport api: `media-source` stats: `width` in 'media-source' stats for video

  20. rtcstatsreport api: `outbound-rtp` stats: `mediasourceid` in 'outbound-rtp' stats

  21. sourcebuffer api: changetype

  22. sourcebuffer api: changetype: available in workers

  23. css property: -webkit-mask-source-type

  24. html element: script: type: `type="speculationrules"`: `source` key is optional

  25. html element: source: type

  26. javascript built-in: regexp: source: prototype accessor property (es2015)