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1. www.w3schools.com › TAgs › tag_optgroupHTML <optgroup> Tag - W3Schools

   www.w3schools.com › TAgs › tag_optgroup

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   The <optgroup> tag is used to group related options in a <select> element (drop-down list). If you have a long list of options, groups of related options are easier to handle for a user.

   • Label

     Label - HTML <optgroup> Tag - W3Schools

   • Option

     Definition and Usage. The <option> tag defines an option in...

   • Ol

     Ol - HTML <optgroup> Tag - W3Schools

   • HTML

     HTML - HTML <optgroup> Tag - W3Schools

   • OptionGroup Object

     OptionGroup Object - HTML <optgroup> Tag - W3Schools

2. stackoverflow.com › questions › 1037732html - Nesting optgroups in a dropdownlist/select - Stack...

   stackoverflow.com › questions › 1037732

   According to the HTML5 spec (dev.w3.org/html5/markup/optgroup.html#optgroup) the only permitted parent of optgroup is select, which suggest that no, this is not supported in HTML5. –

3. developer.mozilla.org › en-US › docs<optgroup>: The Option Group element - MDN Web Docs

   developer.mozilla.org › en-US › docs

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   25 lip 2024 · The <optgroup> HTML element creates a grouping of options within a <select> element.

4. www.techonthenet.com › html › elementsHTML: <optgroup> tag - TechOnTheNet

   www.techonthenet.com › html › elements

   The HTML <optgroup> tag creates a group of options within a dropdown list of values in the <select> control. These dropdown values are defined by a series of <option> tags and grouped using the <optgroup> tag.

5. webtutor.dev › html › html-optgroup-tagHTML optgroup Tag - WebTutor

   webtutor.dev › html › html-optgroup-tag

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   The optgroup tag generates a group of options within a <select> control's dropdown list of values. A sequence of <option> ...

6. codetofun.com › html › tagsHTML optgroup Tag - CodeToFun

   codetofun.com › html › tags

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   10 lut 2024 · In the landscape of HTML forms, the <optgroup> tag plays a crucial role in structuring and improving the user experience, especially in select menus. This guide will delve into the details of the HTML <optgroup> tag and how you can leverage its power.

7. devdoc.net › web › developer<optgroup> - HTML | MDN - devdoc.net

   devdoc.net › web › developer

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   1 sty 2017 · The HTML <optgroup> element creates a grouping of options within a <select> element.