{"record":{"id":"YT-iZVaGh3pkLg","slug":"youtube-iZVaGh3pkLg","kind":"film","title":"ARROW FUNCTIONS vs FUNCTION EXPRESSIONS vs FUNCTION DECLARATIONS (BYTE CODE)| Advanced JavaScript","dek":"A film by Chris Hay.","abstract":"“ARROW FUNCTIONS vs FUNCTION EXPRESSIONS vs FUNCTION DECLARATIONS (BYTE CODE)| Advanced JavaScript” is a video on Chris Hay’s YouTube channel. Its full transcript has not yet been indexed.","created":"2026-09-05","publication":"catalogued","version":"1.0","authors":["Chris Hay"],"body":[{"kind":"film","media":"youtube-iZVaGh3pkLg"}],"concepts":[],"related":[],"media":["youtube-iZVaGh3pkLg"],"sourceMetadata":{"retrievedAt":"2026-09-05T18:58:44+00:00","sourceHash":"4ab7a49c29f7fa59c219748addb119559f4d4006e4ca3e61dd28f391c52269aa","transcript":"missing","views":2300,"viewsApproximate":true},"collection":"YouTube","originalUrl":"https://www.youtube.com/watch?v=iZVaGh3pkLg","youtubeId":"iZVaGh3pkLg","sources":[{"title":"Original YouTube film","url":"https://www.youtube.com/watch?v=iZVaGh3pkLg","note":"Metadata retrieved 2026-09-05T18:58:44+00:00. Topic links are inferred from title and description; they are discovery links, not validated claims."}]}}