Can I make a jQuery JSONP request without adding the '?callback=' parameter in URL?

Question

The server won\'t accept any parameters in a request URL, so I need to remove all the extra parameters in the URL and of course I can\'t control the server.

jQuery:<

Answer 1

Every requests calls the same callback jsonCallback, so I thought that's the problem.

First, Javascript in document:

Client uploads JSONP file(just another Javascript file) to the server like this:

jsonCallback_27b2afa5c77c2510({"test": "hello"});

Added random hex string after jsonCallback_ to separate each requests like jQuery's default callback does.

Read random hex string from input and set as jsonpCallback:

function Gallery(imgs) {
    // imgs is array of URLs
    this.imgs = imgs;

    this.submit = function() {
        // button click event triggers this method
        this._show();
    };

    this._show = function() {
        var _this = this;

        for (var i = 0; i < _this.imgs.length; i++) {
            (function($, j) {
                $.ajax({
                    type: 'GET',
                    url: _this.imgs[j][0],
                    jsonp : false,
                    jsonpCallback: 'jsonCallback_' + _this.imgs[j][1],
                    cache: 'true',
                    dataType:'jsonp',
                    success: function(json) {
                      // Process
                      console.log(json.test);
                    },
                });
            })(jQuery, i);
        };
    };
};

Thank you @Adam @Kevin B @Dcullen and everyone! :D

p.s: I typed every sources above only for example, it may not correct.