CommandButton set to only call javascript, not submit the page

Question

Hello All,
I have a problem with commandButton. I would like to use commandButton just to call JavaScript. When the user clicks the button, a JS function runs. My problem, is that I don't want to submit the form, right then. I leave the action and actionListener attributes out, but the command button still submits the form. Is there a better way to do this?
Thanks,
Grae

Answer 1

IF you don't want a submit button, then why you use it?
I mean if you want a button that calls a javaScript code then use:
<input type="button" value="xxxx" onclick="xxx( )" />However, if you want to use a submit button (commanButton) but you want to contorl the submission based on JavaScript result fucntion then use:
<h:commandButton onClick="return xxx( ) " ......................... />note the keyword return above, and don't forget to return ture (to submit the page) or false( to ban submission).