Thanks a lot.
Besides, what's the meaning for the 'escape_js' in [var x =
"{{ variable|escape_js }}"] ?
Regards
Min
On Jan 30, 4:33 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- Hide quoted text -
>
> - Show quoted text -
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