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This preference controls the speed of "Downloads Complete"-style alerts that appear in the bottom-right. Specifically, it controls the number of milliseconds between sliding movements for situations were the alert moves and the number of milliseconds between fading changes when the alert fades in and out.

Possible values and their effects

Any positive integer. Thunderbird default: 50. All others default: 10.

First checked in

2002-03-22 by Scott MacGregor.

Has an effect in

  • Netscape (all versions since 6.1)
  • Mozilla Suite (all versions since 1.0)
  • Firebird (all versions)
  • Firebird (all versions)
  • Firefox (all versions)
  • Sunbird (all versions)
  • SeaMonkey (all versions)

Related bugs

Related preferences