HTML optgroup tag - W3Schools Definition and Usage. The Forms in HTML documents - World Wide Web Consortium 17.1 Introduction to forms. An HTML form is a section of a document containing normal content, markup, special elements called controls (checkboxes, radio buttons ... Element Index | HTML5 Doctor This is a quick reference of elements that are new or have been redefined in HTML5. For each element there is a short description, a link to the specification, and a ... Style HTML form elements optgroup and option with CSS in ... Last week's HTML/CSS post looked at stlying optgroup and options with Firefox and this post does the same but for Internet Explorer. This will be followed up with ... html - Jquery get label of OPTGROUP of select option ... I am trying to find the value of the optgroup label of currently selected option in a select control. below is some html to show what im trying to do.