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What are required form fields? To put it simply, a required form field must contain an answer before the respondent can submit the form. These are fields that absolutely must be answered in order for the form to be useful. It's possible for a form to be useful without having any required fields.

Use asterisks to indicate required fields? Another common approach seen in forms is to mark the mandatory fields with an asterisk and not mark the optional fields. While an asterisk to the left of the label makes it easy to see, it assumes a user understands what this means.

Best Practice 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.

How to indicate a required field. Provide the required text in the label. Provide a graphic * image in the label with appropriate alt text. Providing a star (asterisk) symbol.

Example 1. A salesperson fills out order forms for a customer. The company ships orders directly to customers, so a shipping address is required. The salesperson sees the field in bold.

How to indicate a required field Provide the required text in the label. Provide a graphic * image in the label with appropriate alt text. Providing star (asterisk) symbol. Use of color to identify if a form control is required. Providing HTML5 & ARIA required attributes.

There are few reasons to prefer optional but they do not make its usage mandatory. First and most simple because it is shorter then it requires less screen space. This has two advantages: It's easier to fit on (overpopulated) forms.

Informally, a required field is an input field on a form that must have a non-blank value to be valid. Conventionally, many flow action forms mark a required field with an orange asterisk (