1. CSS Grid Layout (level 1)

    Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all `grid-*` properties and the `fr` unit.

  2. CSS Subgrid

    Feature of the CSS Grid Layout Module Level 2 that allows a grid-item with its own grid to align in one or both dimensions with its parent grid.

  3. ECMAScript 2015 (ES6)

    Support for the ECMAScript 2015 specification. Features include Promises, Modules, Classes, Template Literals, Arrow Functions, Let and Const, Default Parameters, Generators, Destructuring Assignment, Rest & Spread, Map/Set & WeakMap/WeakSet and many more.

  4. HTML templates

    Method of declaring a portion of reusable markup that is parsed but not rendered until cloned.

  5. ES6 Template Literals (Template Strings)

    Template literals are string literals allowing embedded expressions using backtick characters (`). You can use multi-line strings and string interpolation features with them. Formerly known as template strings.

  6. htmltemplateelement api

  7. htmltemplateelement api: content

  8. htmltemplateelement api: shadowrootclonable

  9. htmltemplateelement api: shadowrootdelegatesfocus

  10. htmltemplateelement api: shadowrootmode

  11. htmltemplateelement api: shadowrootserializable

  12. css property: grid-template

  13. css property: grid-template-areas

  14. css property: grid-template-areas: none

  15. css property: grid-template-columns

  16. css property: grid-template-columns: animation of tracks

  17. css property: grid-template-columns: auto

  18. css property: grid-template-columns: `fit-content()`

  19. css property: grid-template-columns: `masonry`

  20. css property: grid-template-columns: max-content

  21. css property: grid-template-columns: min-content

  22. css property: grid-template-columns: `minmax()`

  23. css property: grid-template-columns: none

  24. css property: grid-template-columns: `repeat()`

  25. css property: grid-template-columns: `subgrid`

  26. css property: grid-template-rows

  27. css property: grid-template-rows: animation of tracks

  28. css property: grid-template-rows: auto

  29. css property: grid-template-rows: `fit-content()`

  30. css property: grid-template-rows: `masonry`

  31. css property: grid-template-rows: max-content

  32. css property: grid-template-rows: min-content

  33. css property: grid-template-rows: `minmax()`

  34. css property: grid-template-rows: none

  35. css property: grid-template-rows: `repeat()`

  36. css property: grid-template-rows: `subgrid`

  37. css property: grid-template: none

  38. html element: template: shadowrootclonable

  39. html element: template: shadowrootdelegatesfocus

  40. html element: template: shadowrootmode

  41. html element: template: shadowrootserializable

  42. grammar: template literals: escape sequences allowed in tagged template literals

  43. ecmascript 2018 (es9)