You might also consider using simplejson to dump the python variable
into something that JavaScript could understand. (This way you can
pass more complicated variables like an array or an object.) I
recently did that to get a list of tags out to some javascript on the
front end.
On Jan 29, 11:33 pm, Malcolm Tredinnick <malc...@pointy-stick.com>
wrote:
> On Thu, 2009-01-29 at 21:11 -0800, min wrote:
> > Hi.
>
> > First, the code in the forms.py:
>
> > class TestForm(forms.Form):
> > name = forms.CharField( max_length=30 )
>
> > Then, the variable is defined in the views.py:
>
> > def Test_page(request):
> > form = TestForm()
> > show_results = False
> > variable = ''
> > if request.GET.has_key('name'):
> > show_results = True
> > query = request.GET['name'].strip()
> > variable = 'custom value'
> > variables = RequestContext(request, {
> > 'form': form,
> > 'show_results': show_results,
> > 'variable': variable
> > })
> > return render_to_response('Test.html', variables)
>
> > I know the value of variable can be accessed by using {{variable}} in
> > the Test.html. However, if I want use the jQuery in the Test.html and
> > pass the value of this variable to the jQuery function, how to do
> > that?
>
> > I have tried: var x = $("variable").val(), and not succeed.
>
> The context dictionary you pass to render_to_response is used by
> render_to_response to produce a string. That string is what is sent back
> to the browsers. The variables (parameters, whatever we want to call
> them) are shoved into the template -- in a nice way; they're made very
> comfortable -- and become static data in the final result. That is, they
> are *not* variables from the browser's perspective. Template rendering
> happens fully on the server side.
>
> If you want to access this data via Javascript, you first have to make
> it available as a Javascript variable in the template. For example, you
> could write this in your template (inside a script block).
>
> var x = "{{ variable|escape_js }}";
>
> The {{...}} bit is converted to a string by the (server-side) template
> rendering. Then "x" is available to the browser-side Javascript. Clear
> as mud?
>
> Regards,
> Malcolm
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
"Django users" group.
To post to this group, send email to django-users@googlegroups.com
To unsubscribe from this group, send email to
django-users+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/django-users?hl=en
-~----------~----~----~----~------~----~------~--~---
