6 Advanced JavaScript Features

1. Top-Level await

[{"selector":"#anim-b3aed8df-4808-4402-919a-4d4014a1a042","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9287622d-a5b7-4dbb-a5ce-7b460df903db","keyframes":{"transform":["translate3d(0px, 72.12870%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

2. Class field declarations

[{"selector":"#anim-361062fc-4df2-4a3c-ae4f-1a519734be55","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-64bf27ce-22d2-4056-bfa5-6878f8897c94","keyframes":{"transform":["translate3d(0px, 72.12870%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

3. Private instance fields, methods, and accessors

[{"selector":"#anim-6be843e2-4121-4b3a-8d9a-7aa910af17c7","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c0d7bdda-2278-413d-a75e-6981f8908475","keyframes":{"transform":["translate3d(0px, 72.80211%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

4. Ergonomic brand checks for Private Fields

[{"selector":"#anim-b3191f12-b852-4e06-bf57-71770fd4caa0","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d6c4764c-8f42-43c7-b735-fb3af8dc8064","keyframes":{"transform":["translate3d(0px, 76.16911%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

5. Static Class Fields and Static Private Methods

[{"selector":"#anim-de567dde-9ff8-4d65-9b2a-4b1c532df592","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4da2c889-aadd-4fa1-880c-5eaa6bbed19c","keyframes":{"transform":["translate3d(0px, 75.83241%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]

6.at() method for Strings, Arrays, and TypedArrays

[{"selector":"#anim-a66d3fe5-2301-4fd1-aade-6bb2032e5743","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0b45cebb-3ee6-49cc-a607-24038d66cbec","keyframes":{"transform":["translate3d(0px, 69.09840%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}]