35 HTML & CSS input type select
The select HTML element represents a control that provides a menu of options.
In the video example shows typical select usage. It is given an id attribute to enable it to be associated with a label for accessibility purposes, as well as a name attribute to represent the name of the associated data point submitted to the server. Each menu option is defined by an option element nested inside the select.
Each option element should have a value attribute containing the data value to submit to the server when that option is selected. If no value attribute is included, the value defaults to the text contained inside the element. You can include a selected attribute on an option element to make it selected by default when the page first loads.
The select element has some unique attributes you can use to control it, such as multiple to specify whether multiple options can be selected, and size to specify how many options should be shown at once. It also accepts most of the general form input attributes such as required, disabled, autofocus, etc.
You can further nest option elements inside optgroup elements to create separate groups of options inside the dropdown.
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