Get Value From 'param' Of 'views.py' In Javascript Django

Question

In views.py

def website(request, pk=None):
if not model_utils.check_admin_permission(request): 
    return loginAndContinuosRequest(request)

if pk:
    obj = get_object_or_404(Website, pk = pk)
    form = WebsiteForm(instance=obj)
    fields = obj.get_manage_payment_accounts()
else:
    obj = None
    form = WebsiteForm()
    fields = []

if request.POST:
    if pk:
        form = WebsiteForm(request.POST, request.FILES, instance=obj)
    else:
        form = WebsiteForm(request.POST, request.FILES)

    if form.is_valid():
        form.save()
        return HttpResponseRedirect(reverse("views_manage_websites"))

params = {
    'obj':obj ,
    'form':form,
    'fields': fields,
    'test': 'test',
}

return render(request, TEMPLATE_PATH + 'website.html', params)

In script in template (.html),

<script>

    $(document).ready(function() {
        alert({{ obj.id }}); //(1)
        alert({{ obj.pk }}); //(2)
        alert({{ obj.site_name }}); //(3)
        alert ({{ test }}); //(4)
    });

</script>

The alert (1) and (2) is shown. But the alert (3) and (4) isn't shown. Can you explain for me. Thanks.

Are you sure that the instance of the model that you are using have a value for that field (site_name)? — Alessio Ferri
– Alessio Ferri, Commented Dec 7, 2017 at 9:00

Daniel Roseman · Accepted Answer · 2017-12-07 09:06:50Z

1

obj.site_name and test are strings. In JavaScript, as in Python, strings need to be surrounded by quotes.

    alert("{{ obj.site_name }}");
    alert("{{ test }}");

Your browser's developer tools will have shown the original code generating a syntax error.

answered Dec 7, 2017 at 9:06

Daniel Roseman

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