> canvas.observe({
>     'object:over': onObjectOver
> });  

> var canvas = new fabric.Canvas('any_id");

>> canvas.observe({
>>     'object:over': onObjectOver
>> });

> canvas.add(new fabric.Rect({
>> width: 50,
>> height: 50,
>> left: 50,
>> top: 150,
>>  fill: 'none',
>> stroke: '#666',
>> angle: 40

> }));

> function onObjectOver(e){
>> var p = e.memo.target;
>>  console.log(e);
>> }

> But when I moved mouse over on any objects of this canvas and nothing is
> logged?
> Did I have any problem in my code and can you give me how to use this
> event?

> Thanks,
> Vu Nguyen