Table of Contents
What is a disabled attribute on a form control?
The user can neither edit nor focus on the control, nor its form control descendants. If the disabled attribute is specified on a form control, the element and its form control descendants do not participate in constraint validation.
What does it mean when a form element is disabled?
If the element is disabled, then the element’s value can not receive focus and cannot be updated by the user, and does not participate in constraint validation. When form controls are disabled, many browsers will display them in a lighter, greyed-out color by default.
What attributes have no effect when an element becomes immutable?
Additionally, since the elements become immutable, most other attributes, such as pattern, have no effect, until the control is enabled. Note: The required attribute is not permitted on inputs with the disabled attribute specified.
What are some examples of XSS that require no user interaction?
Numerous event handlers can be used with various tags to cause a script to execute. Another example that requires no user interaction is: XSS in hidden inputs is frequently very difficult to exploit because typical JavaScript events like onmouseover and onfocus can’t be triggered due to the element being invisible.
What is the required attribute of the input field?
When present, it specifies that an input field must be filled out before submitting the form. Note: The required attribute works with the following input types: text, search, url, tel, email, password, date pickers, number, checkbox, radio, and file.
What is required attribute in HTML?
HTML <input> required Attribute 1 Definition and Usage. The required attribute is a boolean attribute. When present, it specifies that an input field must be filled out before submitting the form. 2 Browser Support. The numbers in the table specify the first browser version that fully supports the attribute. 3 Syntax