Validation Attributes
Explore how to apply HTML5 validation attributes to input fields in web forms. Understand the roles of required, maxlength, min, max, step, and pattern attributes in automatically validating user input, enhancing form reliability and usability before submission.
We'll cover the following...
We'll cover the following...
HTML5 extended the <input> tag with new attributes that specify different kinds of automatic validation. With the required attribute you can specify that an input field must be filled out before submitting the form. When you work with text input, use maxlength to define the maximum number of characters allowed in the field.
In the case of numeric values (number, range, and date related input fields) you can specify an acceptable range ...