Interactive transcripts for web videos allow a user to navigate a video by highlighting a portion of text in a transcript usually presented in a textbox that is viewable along side or below the video.
C-span appears to use an ajax call to load a div with the transcript content. My mileage has varied with c-spanvideo.org transcripts loading. Seems some don't load, some load but don't interact, and some work perfectly. c-spanvideo.org use 13 external javascripts plus the inline javascript.
My search for a simpler solution has turned up some promising results.
Use EasyCaptions with HTML Video to provide interactive transcripts.
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