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by Ian Lloyd

onkeypress (HTML attribute)

Browser support full matrix
IE5.5+ FF1+ Saf1.3+ Op9.2+
Full Full Full Full
Spec
Version
HTML 4
onkeypress="call_script_function();"

Example

In the example below, the onkeypress attribute triggers a piece of JavaScript that runs some kind of availability check, such that as each letter is typed the user may be provided with feedback.

<input type="text" onkeypress="checkAvailability();"  name="domain_name" id="domain_name" />

Description

The onkeypress event handler captures a completed key press and release sequence (equivalent to onkeydown followed by onkeyup) while the element that the attribute applied to has focus.

Value

There is no fixed value - it is up to the author/developer what scripting goes in here, be that a call to one or more defined functions or a simple alert() statement.

Compatibility

IE5.5Full
6.0Full
7.0Full
Firefox1.0Full
1.5Full
2.0Full
Safari1.3Full
2.0Full
3.0Full
Opera9.2Full
9.5Full

Every browser listed supports this attribute, but should be avoided as it encourages mixing of content and behaviour.

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