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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

     Well organized and easy to understand Web building tutorials...

   • Try It Yourself

     The W3Schools online code editor allows you to edit code and...

2. stackoverflow.com › questions › 9892247Selectable <optgroup> in HTML <select> tag - Stack Overflow

   stackoverflow.com › questions › 9892247

   23 lut 2020 · 7 Answers. Sorted by: 69. I don't think you can but you can easily reproduce the visual style with css and thus only have options in your select, so everything is selectable. .optionGroup { font-weight: bold; font-style: italic; } . .optionChild { padding-left: 15px; } <select multiple="multiple">

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. webkod.pl › kurs-html › tagiWyjaśnienie elementu optgroup - webkod.pl

   webkod.pl › kurs-html › tagi

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   Przeznaczenie atrybutu disabled. Atrybut disabled wykorzystany wraz z elementem optgroup pozwala nam określić czy dany element optgroup oraz treść reprezentowana przez zawartość danego elementu optgroup powinni zostać wyłączeni z interakcji z użytkownikiem.

5. www.w3schools.com › tags › tryitW3Schools Tryit Editor

   www.w3schools.com › tags › tryit

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   The W3Schools online code editor allows you to edit code and view the result in your browser

6. www.w3docs.com › learn-html › html-optgroup-tagHTML <optgroup> Tag - W3docs

   www.w3docs.com › learn-html › html-optgroup-tag

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   The content is written between the opening (<optgroup>) and closing (</optgroup>) tags. The <optgroup> tag is generally used with the value attribute, to specify which value is sent to the server for further processing.

7. www.quackit.com › html_5 › tagsHTML 5 <optgroup> Tag - Quackit Tutorials

   www.quackit.com › html_5 › tags

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   The HTML <optgroup> tag is used for grouping related options within your select list. This makes it easier for users to comprehend the options when looking at a large list.