javascript - undefined error for callback function in jquery -

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i'm trying perform actions using jquery diferred in script. when execute script produces error typeerror: func(...) undefined. function defined , accepting calls.

here script:

        verify: function(func, $this, verpass) {             console.log('in verify');             var data = {};             data.url = 'service/verifier.php';             data.data = {pass: verpass};             data.async = true;             this.fetch(data).always(function() {                 var result=true;                 if (result) {                     console.log(func);                     func().then(function(){         //here i'm getting error( fiddle line no:149)                         $('#loader').children('.infocont').empty().append($('<span/>').css({'color': '#000', 'background': '#35cc83', 'display': 'inline-block', 'margin': '0 0 0 -115px', 'padding': '0 25px 7px'}).html('<h2>profile updated successfully</h2>'));                     console.log('success');                     settimeout(function() {                         $('#loader').fadeout("slow");                         $this.closest('.modal').modal('hide');                     }, 2000);                     },                     function(){                         console.log('failed');                         $('#loader').fadeout("slow");                     $this.closest('form').find('.warning-mes').empty().append($('<span/>').css({'color': '#000', 'background': '#ffebe8'}).html('failed complete action. please try again...'));                     });                 } else {                     $('#loader').fadeout("slow");                     $this.closest('form').find('.warning-mes').empty().append($('<span/>').css({'color': '#000', 'background': '#ffebe8'}).html('incorrect password'));                 }             });         }

and have created 2 fiddles. 1 original script , dummy. dummy script works expected. i'm not able figure out mistake have made in original script.

original script fiddle

dummy script fiddle

please me solve issue.


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