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

   www.w3schools.com › TAgs › tag_optgroup

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   Definition and Usage. 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

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   • Option

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

   • Ol

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   • HTML

     The disabled attribute can be set to keep a user from...

   • OptionGroup Object

     OptionGroup Object. The OptionGroup object represents an...

   • The optgroup element

     The optgroup element. The optgroup tag is used to group...

   • Try It Yourself

     W3Schools Tryit Editor. ×. Change OrientationSave CodeChange...

2. www.w3schools.com › jsref › dom_obj_optgroupHTML DOM OptionGroup Object - W3Schools

   www.w3schools.com › jsref › dom_obj_optgroup

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   OptionGroup Object. The OptionGroup object represents an HTML <optgroup> element. Access an OptionGroup Object. You can access an <optgroup> element by using getElementById (): Example. var x = document.getElementById("myOptgroup"); Try it Yourself » Create an OptionGroup Object.

3. www.w3schools.com › tags › tryhtml_optgroupThe optgroup element - W3Schools

   www.w3schools.com › tags › tryhtml_optgroup

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   The optgroup element. The optgroup tag is used to group related options in a drop-down list:

4. www.w3schools.com › TAgs › att_optgroup_disabledHTML <optgroup> disabled Attribute - W3Schools

   www.w3schools.com › TAgs › att_optgroup_disabled

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   The disabled attribute can be set to keep a user from selecting the option-group until some other condition has been met (like selecting a checkbox, etc.). Then, a JavaScript is required to remove the disabled value, and make the option-group selectable.

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

   www.w3schools.com › tags › tryit

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   W3Schools Tryit Editor. ×. Change OrientationSave CodeChange Theme, Dark/LightGo to Spaces.

6. 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.

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

   webkod.pl › kurs-html › tagi

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   Przykładowy element "optgroup" posiadający atrybut "label" o wartości "owoce", jak również elementy HTML znajdujące się w zawartości przykładowego elementu "optgroup", zostali wyłączeni z interakcji z użytkownikiem, ponieważ do wspomnianego elementu "optgroup" został dodany atrybut "disabled".