Chrome Version       : 67.0.3396.87
OS Version: 
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL after other browsers where you have tested this issue:
     Safari: --
    Firefox: OK
    IE/Edge: --

What steps will reproduce the problem?
1. Test the following HTML5 code: 
<input type="number" lang="en" value="0.01" /><br/>
<input type="number" lang="pt" value="0.01" /><br/>
<input type="number" lang="br" value="0.01" /><br/>
<input type="number" lang="es" value="0.01" /><br/>
2.
3.

What is the expected result?
Decimal marks compatible with lang tag to user.

What happens instead of that?
Nothing happens.


Please provide any additional information below. Attach a screenshot if possible.

UserAgentString: Mozilla/5.0 (Linux; Android 8.0.0; Moto Z2 Play Build/OPSS27.76-12-25-3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Mobile Safari/537.36