Though Marketo forms use standard HTML input types (which is a very good thing for cross-platform compatibility) there are a few subtypes and niche uses that aren't supported unless you use a little JS to enhance the form.


One of the classic HTML form features is the  <OPTGROUP> tag, which allows you to group together <SELECT> (i.e. picklist) options under a relevant label.

Read the full post on TEKNKL :: Blog →