jquery - Not work addClass -


i use datatables (jquery plugin) , rows have many buttons doing somethink work (send server request - edit, delete , etc).

i want after click on 1 of bottons, added class name 'disabled' , after doing work class removed.

but class 'disabled' not added. but, if delete $(this).removeclass('disabled');, button class! why? or local problems?

i have html 

<a id='change-color' class='btn btn-danger'>change color</a>

and js code 

$(document).on('click', '#change-color', function(){     $(this).addclass('disabled');     var _this = this; // hmm.. can without spick?..      $.get('/', function(text){         if($(_this).hasclass('btn-danger')){             $(_this).removeclass('btn-danger').addclass('btn-success');         } else {             $(_this).removeclass('btn-success').addclass('btn-danger');         }     });     $(this).removeclass('disabled'); });

live on jsfiddle

you're removing class after add it; before asynchronous callback executes. remove class inside callback instead:

$(document).on('click', '#change-color', function(){     $(this).addclass('disabled');     var _this = this; // hmm.. can wihout stafff?..      $.get('/', function(text){         if($(_this).hasclass('btn-danger')){             $(_this).removeclass('btn-danger').addclass('btn-success');         } else {             $(_this).removeclass('btn-success').addclass('btn-danger');         }         // removes class after ajax request completes         $(this).removeclass('disabled');      }); });

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