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Autocompletion Popup for Web Console
Stage Complete
Status `
Release target Firefox 6
Health OK
Status note `


Product manager Kevin Dangoor
Directly Responsible Individual Kevin Dangoor
Lead engineer Mihai Sucan (msucan)
Security lead Curtis Koenig
Privacy lead `
Localization lead `
Accessibility lead `
QA lead Vlad Maniac (vladmaniac)
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks


Stage 1: Definition

1. Feature overview

The current JavaScript autocompletion in the web console suffers from some usability issues (difficulty in discovering other names that are available, inconvenient keyboard shortcuts for choosing a name).

2. Users & use cases


3. Dependencies


4. Requirements

Screenshot of the new AutocompletePopup in action.

The new autocomplete popup lists the possible completions such that the user can either click them or scroll through them using the up/down arrow keys. Tab and Enter allow the user to accept the selected completion. Escape closes the popup and deletes the proposed completion.

If the feature is not ready during the Aurora phase, msucan will back it out.



Stage 2: Design

5. Functional specification


6. User experience design


Stage 3: Planning

7. Implementation plan


8. Reviews

Security review

Privacy review


Localization review




Quality Assurance review


Operations review


Stage 4: Development

9. Implementation

Stage 5: Release

10. Landing criteria


Feature details

Priority P1
Rank 999
Theme / Goal `
Roadmap Developer Tools
Secondary roadmap `
Feature list Desktop
Project `
Engineering team DevTools

Team status notes

  status notes
Products ` `
Engineering ` `
Security sec-review-complete Notes
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance Ready to land in Firefox 6 `
User experience ` `
Product marketing ` `
Operations ` `

Other Documentation

Autocompletion is implemented in many contexts. Prior to this feature, our completion is similar to that of the WebKit Inspector, but Firebug's current completion UI (which uses a popup as proposed here) seems more usable.