Itqualityassurance
- How do you add validation to input field?
- How do you validate input data?
- How to validate input in HTML?
How do you add validation to input field?
To validate the form using HTML, we will use HTML <input> required attribute. The <input> required attribute is a Boolean attribute that is used to specify the input element must be filled out before submitting the Form.
How do you validate input data?
Validation should aim to be as accommodating as possible of different forms of input for particular data types. For example, telephone numbers are written with different separators and digit groupings. Your form will be easier to use if it can interpret multiple notations. Also, it is helpful to be liberal with input.
How to validate input in HTML?
The simplest HTML validation feature is the required attribute. To make an input mandatory, add this attribute to the element. When this attribute is set, the element matches the :required UI pseudo-class and the form won't submit, displaying an error message on submission when the input is empty.
