Validation on input type number not working on Google Chrome

<h2><b> This breaks in Google chrome only </b></h2>

when an **input** element with _type=number_ is validated against 
`required: true, digits:true` and non-numeric values are supplied,  the plugin breaks.
Fiddle
[https://jsfiddle.net/5nx2qgu6/1/]

Thanks & Regards,
SG
