AJAX jquery call after page loaded and js plugins initialized how can I modify or set option after page loaded successfuly?

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Hi people I am using summernote.js and I am not familliar to Jquery and Ajax so much. I am wondering that How can I set mentions option after page loaded with asychronous ajax call(I dont want to wait)? Actually my question is where should I set mentions option and how should ? I am able to retrieve mentions options from controller but setting it in initialization cause problem if I make async call page element doesnt display properly(doesnt initialize) if I make synch call page waits like 1 second and displays then(which I dont want).

What I have tried:

JavaScript

jQuery.extend({
    getMentions: function () {
        $.ajax({
            type: "get",
            dataType: "json",
            async: true,
            url: "getMentions", // "/CreateTicket/getCustomerProjects"
            success: function (data) {
                console.log(data);
                result = data;
                
            }
        });
        //alert(result);
        return result;
    }
});

in document ready

JavaScript

var valset =$.getMentions();
$(".hint2mention").summernote({
  height: 100,
  toolbar: false,
  hint: {
    mentions: valset,
    match: /\B@(\w*)$/,
    search: function (keyword, callback) {
      callback($.grep(this.mentions, function (item) {
        return item.indexOf(keyword) == 0;
      }));
    },
    content: function (item) {
      return '@' + item;
    }    
  }
});

Posted 25-Apr-16 3:46am

Ermany

Updated 25-Apr-16 14:15pm

Sergey Alexandrovich Kryukov

v3

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Sergey Alexandrovich Kryukov 25-Apr-16 20:06pm

Please click "Improve question" just to see how code should be formatted (I've done it for you, to make code more readable). Pay attention for "pre" tags.
—SA

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Sergey Alexandrovich Kryukov · Accepted Answer · 2016-04-25T14:15:00

Here is your mistake: the member success is the function which just does nothing in your code.

You simply assign some variable to some other variable in its body. Even if you have some code which can properly use the result object, there is nothing which would trigger this code.

It looks like you completely misunderstand asynchronous call. If it is asynchronous, at the moment of the statement return result is executed, you don't yet have success called. In other words, result is left uninitialized, or having the value you initialized it with before your call to getMentions. Isn't it obvious?

The solution is simple like hell: the call to success should make it all. You should not return anything, this is useless. The function success should complete all processing, including the side effect, which can be some DOM manipulation. It can call some other function which does it all depending on data. Let's say, you got valid JSON data string in data. Then parse JSON into some data structure, take that data and modify DOM based on it; for example, form some HTML and set it to innerHTML of some element, like div.

See also:
JSON — JavaScript | MDN[^],
Ajax | jQuery API Documentation[^].

—SA