Uncaught TypeError: Cannot read property 'getContext' of undefined

duplicate

#1

I am checking jsfiddle demo on my pc but getting below error when clicking on the stop button

Error: https://www.screencast.com/t/ftXPbxBdr

the same issue appears on my local server there we have created a demo.

Please help to resovle issue.

Thanks.


#2

I have answered your question here.


#3