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

2 votes178 views3 answers
React cdn
Html
0 vote138 views1 answer
Why return function solidity
Html
0 vote305 views1 answer
Wow html
Html
0 vote192 views2 answers
Html checkboxfor is not visible
Html
10 votes143 views2 answers
Date picker bootstrap 4
Html
0 vote284 views1 answer
Lpluguin de whatsapp para html
Html
1 vote211 views2 answers
Bootstrap 4 Navbar Dropdown Menu Items Right
Html
1 vote140 views1 answer
How to remove .php .html extension with .htaccess
Html
77 votes198 views6 answers
Html button with link
Html
1 vote183 views1 answer
How to center link in html
Html