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How can I add option group in HTML select tag? I want to categories my option list with option group....how can I use it?
Here is an example
<select>
<!-- First category option -->
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<!-- Second catgory option -->
<option value="mercedes">Mercedes</option>
<option value="audi">Audi</option>
</select>
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How to create a group of related options in a drop-down list using HTML ? We can define a group of related options in a drop-down list by using the <optgroup> Tag tag is used to create a group of same category options in a drop-down list. The tag is required when there is a long list of items.
The <select> element is used to create a drop-down list. The <select> element is most often used in a form, to collect user input. The name attribute is needed to reference the form data after the form is submitted (if you omit the name attribute, no data from the drop-down list will be submitted).
The <optgroup> tag is used to group related options in a <select> element (drop-down list).
No, you cannot.
By using the optgroup tag. Here is an example:
<select name="browser">
<optgroup label="Firefox">
<option value="2.0 or higher">
Firefox 2.0 or higher
</option>
<option value="1.5.x">Firefox 1.5.x</option>
<option value="1.0.x">Firefox 1.0.x</option>
</optgroup>
<optgroup label="Microsoft Internet Explorer">
<option value="7.0 or higher">
Microsoft Internet Explorer 7.0 or higher
</option>
<option value="6.x">Microsoft Internet Explorer 6.x</option>
<option value="5.x">Microsoft Internet Explorer 5.x</option>
<option value="4.x">Microsoft Internet Explorer 4.x</option>
</optgroup>
<optgroup label="Opera">
<option value="9.0 or higher">Opera 9.0 or higher</option>
<option value="8.x">Opera 8.x</option>
<option value="7.x">Opera 7.x</option>
</optgroup>
<option>Safari</option>
<option>Other</option>
</select>
hope it helps.
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