In this episode of Syntax, Wes and Scott talk through new and proposed JavaScript APIs including ones related to regex, sourcemaps, structured clone, temporal, JSON modules, and more!

Show Notes

• 00:10 Welcome
• 01:26 Syntax Brought to you by Sentry
• 02:55 RegExp Escaping Proposal
• tc39/proposal-regex-escaping: Proposal for investigating RegExp escaping for the ECMAScript standard

05:25 Intl.DurationFormat

tc39/proposal-intl-duration-format

07:55 Standardized Sourcemaps

tc39/source-map-rfc: RFCs for the source map debug format.

10:43 Structured Clone

structuredClone() global function - Web APIs | MDN

12:54 Temporal

Hasty Treat - Temporal Date Objects in JavaScript

Tracking issue for syncing with IETF standardization work (req’d before implementers can ship unflagged) · Issue #1450 · tc39/proposal-temporal

20:59 FindLast and findLastIndex

tc39/proposal-array-find-from-last: Proposal for Array.prototype.findLast and Array.prototype.findLastIndex.

22:27 JSON modules

tc39/proposal-json-modules: Proposal to import JSON files as modules

24:46 Regex Modifiers

RegExp Modifiers - June 2022.pptx - Microsoft PowerPoint Online

26:50 Array Grouping

tc39/proposal-array-grouping: A proposal to make grouping of array items easier

30:48 Array Methods

tc39/proposal-change-array-by-copy: Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change.

6 or so New Approved and Proposed JavaScript APIs

32:12 Promise.withResolvers

35:08 Function.prototype.memo

tc39/proposal-function-memo: A TC39 proposal for function memoization in the JavaScript language.

37:48 Node has a Proposed ESM Detection flag

39:54 Node has navigator.userAgent

41:29 Built in .env support

42:52 Permissions model & test runner continues to be worked on

44:06 HTML Web charts

Proposal: Web Charts · Issue #9295 · whatwg/html

45:39 autopause

Add autopause attribute to media elements to allow automatic pausing of media · Issue #9793 · whatwg/html

46:30 Meta Tag for AI generated content

Proposal: Meta Tag for AI Generated Content · Issue #9479 · whatwg/html

Schema.org - Schema.org

Syntax × Sentry Swag Store – Syntax × Sentry Shop

Syntax - A Tasty Treats Podcast for Web Developers.

50:13 Poster frame

HTML Video Element: Proposal for adding [srcset] + [posterset] + [sizes] on video element as well [posterset] on source elements · Issue #9812 · whatwg/html

50:57 Popover invoker

Popover does not know what triggered it · Issue #9111 · whatwg/html

51:25 Autocomplete on ‘contenteditable’ Elements

Autocomplete on ‘contenteditable’ Elements · Issue #9065 · whatwg/html

52:17 Sick Picks

Sick Picks

• Scott: Escaping Twin Flames cult documentary

Wes: Lao Gan Ma spicy Chili Oil

Shameless Plugs

• Scott: Sentry

Wes: Wes Bos Courses

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