Select box with text input html

1. How do you put text in an input box in HTML?
2. How do you select text within input?
3. Can I put input inside select?

How do you put text in an input box in HTML?

The line <input type="text"> creates a single line text input field, where the user can type any text input.

How do you select text within input?

select() The HTMLInputElement. select() method selects all the text in a <textarea> element or in an <input> element that includes a text field.

Can I put input inside select?

Option tag takes only text and not other HTML elements. You cant insert an input box into a select drop down.