What are three attributes of the input tag

The HTML <input> tag is used within a form to declare an input element − a control that allows the user to input data. Three ATTRIBUTES are :

formlistreadonly

Explanation:

An input field can vary in many ways, depending on the type attribute.<input> elements are used within a <form> element to declare input controls that allow users to input dataThe <input> tag specifies an input field where the user can enter data. <input> elements are used within a <form> element to declare input controls that allow users to input data.

The 3 attributes are :

<input form=""> :  The value of this attribute must be the id attribute of a <form> element in the same document.<input list="datalist_id"> : Specifies the id of the datalist to bind the <input> element to a specific list.<input readonly> : The readonly attribute is a boolean attribute.  When present, it specifies that an input field is read-only.  The readonly attribute can be set to keep a user from changing the value until some other conditions have been met