Stage 0 proposals are either
- planned to be presented to the committee by a TC39 champion, or
- have been presented to the committee and not rejected definitively, but have not yet achieved any of the criteria to get into stage 1.
| Proposal | Author | Champion | Last Presented |
|---|---|---|---|
| Additional metaproperties | Allen Wirfs-Brock | Allen Wirfs-Brock | |
| Defensible Classes | Mark Miller Doug Crockford |
Mark Miller Doug Crockford |
|
| Function bind syntax | Kevin Smith | Brian Terlson Matthew Podwysocki |
March 2015 |
| Function expression decorators | Igor Minar | Igor Minar | |
| Method parameter decorators | Igor Minar | Igor Minar | |
Nested import declarations |
Ben Newman | Ben Newman | July 2016 |
| Orthogonal Classes | Mark Miller Allen Wirfs-Brock |
Mark Miller Allen Wirfs-Brock |
March 2017 |
Reflect.{isCallable,isConstructor} |
Caitlin Potter | Caitlin Potter | |
| Relationships | Mark Miller Waldemar Horwat |
Mark Miller Waldemar Horwat |
|
| Structured Clone | Dmitry Lomov | Dmitry Lomov | Jan 2014 |
| WHATWG URL | James M Snell | James M Snell | |
| Object Shorthand Improvements | Ron Buckton | Ron Buckton | Sep 2017 |
as destructuring patterns |
Kat Marchán | Kat Marchán | |
Symbol.thenable |
Gus Caplan | Jordan Harband Myles Borins |
May 2018 |
| Async Context | Chengzhong Wu | Chengzhong Wu | July 2020 |
| String trim characters | Wenlu Wang | Wenlu Wang |
See also the active proposals, stage 1 proposals, finished proposals, and inactive proposals documents.