where this javascript function is called from debugging it

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I'm tryng to figure out how a certain webpage works, at a certain point while debugging it i understand everything looking at Call Stack in chrome to know where a function is being called from , untill get to a function that is in one of the javascript files the web uses and the Call Stack doesn't help me any more. I can't find out where it's called from

Don't have any problem untill here:

<script>
(function($){
    $(document).bind('FBSDKLoaded', function() {
//...
    });
})(jQuery);
//...    
window.fbAsyncInit = function() {
    FB.init({appId: config.fb_appid, status: true, cookie: true, xfbml: true});
    $(document).trigger('FBSDKLoaded');
};//<=====<=====<=====<=====HERE the brakepoint(debugger)

(function(d){
    var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
    if (d.getElementById(id)) {return;}
    js = d.createElement('script'); js.id = id; js.async = true;
    js.src = "//connect.facebook.net/en_US/all.js";
    ref.parentNode.insertBefore(js, ref);
}(document));
</script>

As you probably know trigger('FBSDKLoaded') makes $(document).bind('FBSDKLoaded', function() {}); to execute so the debugger end up there after executing $(document).bind('FBSDKLoaded', function() {});. At this point the Call Stack says:

window.fbAsyncInit ((index):784)
window.FB.u.__wrapper (all.js:82)
(anonymous function) (all.js:120)

After passing these three points with the debugger leds me to:

gplyer.prototype.setPlylist = function(obj, pl)
{
    var self = this;
    $.post('/player/', obj, function(data)
    {
        self.playlist = $.extend({}, self.playlist, data.songlist);//<=====TO HERE
        //...

    }, 'json');
}

At this point the Call Stack says:

(anonymous function) (player.js:864)
c (jquery.js:1)
p.fireWith (jquery.js:1)
k (jquery.js:3)
send.r (jquery.js:3)

And i don't know where the call comes from. Thanks for any help.

asked 1 min ago

user2495207

25