Style Required Field Notification For Free

The :required selector selects form elements which are required. Form elements with a required attribute are defined as required. Note: The :required selector only applies to the form elements: input, select and textarea. Tip: Use the :optional selector to select form elements which are optional.

The required attribute is a boolean attribute. 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.

Add an event listener for the invalid event. When handling the event, under event. target. validity , you'll get the validity state of the input. For example, for a required input that was not filled out, event. target. validity. ... You can call setCustomValidity on the input element to provide a custom error message.

We can also use JavaScript to customize the error message, in addition to using CSS, and control how it is displayed. To customize the error message using JavaScript, we can use the "setCustomValidity" method, which allows us to specify a custom error message for the input field.

Required fields should be indicated with either a symbol or text, not just color. When providing an indicator for a required field, it should be placed right before the form field. This allows a screen reader to read the indicator to a screen reader user right before the user activates the field.

To customize the error message using JavaScript, we can use the "setCustomValidity" method, which allows us to specify a custom error message for the input field.

Asterisk (*) next to a form control's label usually indicates it as "required". Oftentimes, this asterisk's purpose is then explained somewhere else on the page.