You can use javascript or jquery(since web2py includes jquery) to do
this:
==javascript==
$('#some_id).click(function()
{
$('#target").val( ($('#target").val()+1) );
}
)
==html==
<span id="some_id"<a href="#"> Click me</a></span>
<span id="target">2</span>
This should more or less work.
On Dec 18, 10:02 am, Rick <[email protected]> wrote:
> Thanks for the replies! The variable that I'm operating with is python
> type, not javascript. Mdipierro, your solution looks nice, but i can't
> get it working. The value of the variable doesn't seem to change. Here
> is my code:
>
> from views/default/index.html:
> {{n=1}}
> <a href="#" onclick="ajax('{{=URL('plus_n')}}',[],':eval');return
> false">plus</a>
> {{=n}}
>
> controller.py
> def plus_n():
> # check this was called by the ajax post
> if request.env.request_method=='POST':
> # do anything you need to do
> session.n=session.n+1
> # optional return instructions in JS
> return "$('.flash').html('n was incremented').slideDown();"
>
> On Dec 18, 2:26 am, pbreit <[email protected]> wrote:
>
>
>
>
>
>
>
> > I don't really understand the question. Do you want to change a JavaScript
> > variable? Or a variable in your web2py code? I don't think you would be able
> > to modify a web2py variable as the result of a click. By the time the suer
> > views your page, all the web2py code has been rendered into HTML. You'll
> > either need to code some JavaScript or perform some sort of Ajax call back
> > to your server.
>
> > What exactly are you trying to do?
