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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.
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Definition and Usage. The <option> tag defines an option in...
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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">
10 lut 2024 · The <optgroup> tag is an HTML element specifically designed for use within <select> elements. It allows you to group related <option> elements together, providing a hierarchical structure within a dropdown list.
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25 lip 2024 · This element includes the global attributes. If this Boolean attribute is set, none of the items in this option group is selectable. Often browsers grey out such control and it won't receive any browsing events, like mouse clicks or focus-related ones.
The optgroup tag generates a group of options within a <select> control's dropdown list of values. A sequence of <option> tags define the dropdown values, which are then grouped using the <optgroup> tag.
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