Thanks for the advice, in the end however I waited until the input was 2 and used event.keyCode
to get the third chacter.
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Javascript onkeypress textbox
Hi,
I need a simple Javascript function that will call another function that checks the key entered by a user in a textbox and if it is valid displays it in the textbox with other valid letters previously entered. When the user has entered 3 valid characters I want to call another function.
The setup I had was this:
In an xsl stylesheet:
onkeypress - return checkcharacterEntered(even
-----------------------
checkcharacterEntered( event e, textbox t){
var result= validCharacter(e,t);
if ( document textbox.value.length==3){
call another method
}
return result;
}
This setup works fine for mozilla Firefox but for Internet Explorer the length of textbox.value.length does not seem to get updated until checkCharacterEntered has returned its value.
So when the user enters a third valid character the value of textbox.value.kength is 2 and not 3. Any ideas on how to get around this problem. Thanks.
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by: ZvonkoPosted on 2007-07-02 at 00:12:49ID: 19401717
The pressed key is NOT added as value as long as the event handler did not finish. So you have to check for the value BEFORE your event handler finished.
Therefore you have to check for the FireFox misbehaviour (what I did not check that is true).
Or you use the onKeyDown event handler. There for sure you get the value length BEFORE the new key is entered.