Every time I attempt to run it on my local machine, the numbers vanish and then reappear when I select the checkboxes, just as I intended. It seems like there might have been an issue with linking the external resource script. Can someone advise me on where exactly should I insert the link to the library?
I'm struggling with formatting the code in order to properly embed the fiddle, but you can visit j-s-f-iddle and append /codergirl789/k37jqj2c/2/