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Find As You Type (or Type Ahead Find as it was originally called) allows you to start finding text on the page immediately by simply typing the text you’re trying to find. When typed characters fail to match anything on the page, it can be configured to play an alert sound.

Possible values and their effects


If the typed character doesn’t match anything on the page (and the user has typed at least one character previously), play an alert sound. (Default)


Never play an alert sound. (This is the same as setting accessibility.typeaheadfind.soundURL to an empty string.)


  • For a short time (2002-12-03 through 2003-01-13) this preference was nonfunctional. As mentioned above, the same functionality could be attained by setting accessibility.typeaheadfind.soundURL to an empty string.


Mozilla Suite

A checkbox labeled “Play a sound when typed text isn’t found” is located under “Edit → Preferences → Advanced → Keyboard Navigation → Find As You Type”.

First checked in

2002-11-09 by Aaron Leventhal

Has an effect in

  • Netscape (all versions since 7.1)
  • Mozilla Suite (all versions since 1.2)
  • Mozilla Phoenix (all versions since 0.5)
  • Mozilla Firebird (all versions)
  • Mozilla Firefox (all versions)
  • Camino (all versions since 0.8)
  • SeaMonkey (all versions)

Related bugs

Related preferences

External links