pattern : regexp: Specifies a regular expression that an element's value is checked against: placeholder : text: Specifies a short hint that describes the expected value. HTML name attribute. The file input type creates a field through which users can upload files from their local computer or network. It … Using the list attribute. HTML Reference HTML by Alphabet HTML by Category HTML Browser Support HTML Attributes HTML Global Attributes HTML Events HTML Colors HTML Canvas HTML Audio/Video HTML Character Sets HTML Doctypes HTML URL Encode HTML Language Codes HTML Country Codes HTTP Messages HTTP Methods PX to EM Converter Keyboard Shortcuts The form-data can be sent as URL variables (method="get") or as an HTTP post transaction (method="post"). The HTML autocomplete attribute is available on elements that take a text or numeric value as input,