Fit the background image to canvas size with Fabric js

Question

I am trying to stretch the background image so it can fit the canvas size. But its not working.

I have followed this question and based on comment i have implemente

Answer 1

Hi please update following code.

img.set({
           width: canvas.getWidth(), 
           height: canvas.getHeight(), 
           originX: 'left', 
           scaleX : canvas.getWidth()/img.width,   //new update
           scaleY: canvas.getHeight()/img.height,   //new update
           originY: 'top'
 });

http://jsfiddle.net/8vLo882n/6/