Thank you, I thought that third parametr of ajax function might be only
'target' or ':eval'.
четверг, 9 августа 2018 г., 17:27:21 UTC+3 пользователь Anthony написал:
>
> Controller:
>
> def VcodeToDbAndMail():
> return 1
>
> Javascript:
>
> <script>
> let x = 0
>
> function showCode(data) {
> x = parseInt(data);
> $('#code').css('visibility', 'visible');
> }
>
> jQuery(function() {
> jQuery('#myform').submit(function(e) {
> e.preventDefault();
> ajax('{{=URL("VcodeToDbAndMail")}}', ['email'], showCode);
> });
> });
> </script>
>
> The third argument of the ajax() function can be a callback function that
> takes the response from the server. Above, the server simply returns the
> value "1", which gets passed to the showCode() callback, which sets the
> value of x and then makes the "#code" element visible.
>
> Anthony
>
> On Wednesday, August 8, 2018 at 12:04:17 PM UTC-4, Константин Комков wrote:
>>
>> I want make very simple thing. When user load page fist time variable x
>> must be 0. After ajax action variable x must be equal 1. And important
>> moment, that variable x must be returned in JavaScript function.
>> среда, 8 августа 2018 г., 18:03:23 UTC+3 пользователь Anthony написал:
>>>
>>> On Saturday, August 4, 2018 at 6:03:59 AM UTC-4, Константин Комков wrote:
>>>>
>>>> Hello!
>>>>
>>>> Can you take advice, how can I understan than answer from server was
>>>> received in JS?
>>>> Controller:
>>>> def swed():
>>>> ajaxAnswer = 0
>>>> return dict(ajaxAnswer=ajaxAnswer)
>>>> def VcodeToDbAndMail():
>>>> ajaxAnswer = 1
>>>> return dict(ajaxAnswer=ajaxAnswer)
>>>> JS
>>>> <script>
>>>> jQuery('#myform').submit(function() {
>>>> var x = 0;
>>>> ajax('{{=URL("VcodeToDbAndMail")}}',['email'], ':eval');
>>>>
>>>
>>> ':eval' is only relevant if the controller returns a string of
>>> Javascript code, which your controller actions do not appear to be doing.
>>>
>>>
>>>> $('#code').css('visibility','visible');
>>>> x = {{=ajaxAnswer}};
>>>>
>>>
>>> Note, the value of x in the line above will not be updated dynamically
>>> based on the value of ajaxAnswer set on the server. Rather, this value is
>>> set once on the server when the original page containing this Javascript
>>> code is first served.
>>>
>>> You'll need to explain more clearly what you are really trying to do.
>>>
>>> Anthony
>>>
>>
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