Nested select option in html

<select>
  <optgroup label="1">
     <option>Nested Option 1</option>
     <option>Nested Option 2</option>
  </optgroup>
  
  <optgroup label="2">
     <option>Nested Option 1</option>
     <option>Nested Option 2</option>
  </optgroup>
</select>

Similar codes

1 vote158 views1 answer
How to write superscript in markdown
Html
0 vote155 views1 answer
Grandezza di una tabella html
Html
2 votes173 views1 answer
Icon for about us font awesome
Html
0 vote188 views1 answer
Taiwlinds center
Html
0 vote162 views1 answer
Sublimelinter-html-tidy for linux
Html
0 vote180 views2 answers
How to use font awesome unicode in html
Html
1 vote172 views2 answers
Float middle
Html
0 vote179 views1 answer
Como limpar as informações de uma tabela html
Html
0 vote161 views1 answer
Html estrutura
Html
38 votes168 views6 answers
Html iframe example
Html