Categorize long lists
optgroup
The optgroup element provides a way to break a long list of options into smaller distinguishable sub-lists.
Properties
- label
- Put the descriptive label to display to the user in a "label" attribute.
Example
form {
select *country= {
optgroup *label='North America' {
option *value='ca' Canada
option *value='us' United States of America
option *value='mx' Mexico
}
optgroup *label='South America' {
option *value='br' Brazil
option *value='pe' Peru
option *value='ar' Argentina
option *value='cl' Chile
}
}
}