Text input minlength - no support on browsers yet ? w3 sarcastic on twitter ;-) http://www.w3.org/html/wg/drafts/html/CR/forms.html#the-maxlength-and-minlength-attributes - 2015 Opera 27 supports it, now also Chrome, still Mozilla not Required [element], Single Occurrence, with Simple Type [inline-Form-Min5CharsWithSchema] localName is [Min5CharsWithSchema] without namespace Required [element], Single Occurrence, with Simple Type [inline-Form-Min5Chars] localName is [Min5Chars] without namespace Text input minlength - no support on browsers yet ? w3 sarcastic on twitter ;-) http://www.w3.org/html/wg/drafts/html/CR/forms.html#the-maxlength-and-minlength-attributes - 2015 Opera 27 supports it, now also Chrome, still Mozilla not