Long Input in an editable field

1. How long should input fields be?
2. How do you make an input field Uneditable?
3. What is a text input field?

How long should input fields be?

Match fields to the fixed input length

Studies show that those input fields typically range from 18 to 33 characters.

How do you make an input field Uneditable?

The readonly attribute is a boolean attribute. When present, it specifies that an input field is read-only. A read-only input field cannot be modified (however, a user can tab to it, highlight it, and copy the text from it).

What is a text input field?

A text input allows users to enter any combination of letters, numbers, or symbols. Text input boxes can span single or multiple lines.