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To make a select mandatory with HTML, use the required attribute. With the required attribute, the user must select a value before submitting the form; if the user refuses to select a value, then the form won't submit.

It is a common technique to add an asterisk * to a form control's label. Then, somewhere else on the page, for example below the form, this asterisk is explained to indicate a required input (in allusion to foot notes in text documents).

We use the <fieldset> tag, to group related data in HTML forms. This tag creates a box around the related elements on the web page. The <legend> tag is used inside the <fieldset> tag to give a caption to the group or name to the group.

Examples Input Example. An HTML form with a required input field: <form action="/action_page.php"> Username: <input type="text" name="usrname" required> ... Select Example. An HTML form with a required drop-down list: <select required> ... Textarea Example. A form with a required text area: <form action="/action_page.php">

The HTML <select> required Attribute is a Boolean attribute which is used to specify that the user should be selected value before submitting the Form. Example: This Example illustrates the use of required attribute in select element.

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.

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.

Providing Star (Asterisk) Symbol This is one of the most widely-adopted methods to notify the users that a form control is required. A star (asterisk) symbol is provided along with the label.

To make a select mandatory with HTML, use the required attribute. With the required attribute, the user must select a value before submitting the form; if the user refuses to select a value, then the form won't submit.

It is a common technique to add an asterisk * to a form control's label. Then, somewhere else on the page, for example below the form, this asterisk is explained to indicate a required input (in allusion to foot notes in text documents).

We use the <fieldset> tag, to group related data in HTML forms. This tag creates a box around the related elements on the web page. The <legend> tag is used inside the <fieldset> tag to give a caption to the group or name to the group.

Examples Input Example. An HTML form with a required input field: <form action="/action_page.php"> Username: <input type="text" name="usrname" required> ... Select Example. An HTML form with a required drop-down list: <select required> ... Textarea Example. A form with a required text area: <form action="/action_page.php">

The HTML <select> required Attribute is a Boolean attribute which is used to specify that the user should be selected value before submitting the Form. Example: This Example illustrates the use of required attribute in select element.

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.

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.

Providing Star (Asterisk) Symbol This is one of the most widely-adopted methods to notify the users that a form control is required. A star (asterisk) symbol is provided along with the label.