UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.84 Safari/537.36

Steps to reproduce the problem:
1.edit browser html5 validations rules
2.
3. 

What is the expected behavior?
the input field is not accepting any character in input:number so, it should also not accept character "e" or "E" as well.

What went wrong?
chrome don't accept any characters or alphabets in input:number, except dot(.) and numbers. however, it accepts character "E" or "e" as input in the input field.

Did this work before? N/A 

Chrome version: 63.0.3239.84  Channel: n/a
OS Version: 10.0
Flash Version: