The attribute given above is required for an element that you've used, but you have omitted it. For instance, in most HTML and XHTML document types the "type" attribute is required on the "script" element and the "alt" attribute is required for the "img" element.
Sample: required attribute type not specified. The <script> tag has a required attribute type.
![]() | <script language="Javascript"> |
![]() | <script type="text/javascript"> |
Sample: required attribute type not specified. The <style> tag has a required attribute type.
![]() | <style> |
![]() | <style type="text/css"> |
Check the definition of the tag. Look for the required attributes. Add the requested attribute.