What does required mean in vue

The required attribute in Vue.js is used to specify whether the form input field is a required field. It is a boolean value that, when set to true, indicates that this field must be filled in to submit the form, otherwise a validation error will be triggered. The required attribute can be used with the v-model directive for automated validation, and with other validation attributes (e.g. pattern, min, max) for more advanced validation.

Required attribute in Vue.js

What is the required attribute?

In Vue.js, the required attribute is a Boolean value used to specify whether a form input field is a required field.

How to use required attribute?

In Vue.js, the required attribute can be added to any form input field that supports validation, for example:

<code class="html"><input type="text" v-model="name" required></code>

When the required attribute is set to true, it means this input field Required to submit form. If the user submits the form but the value for the required field is missing, a validation error will be triggered.

Advantages of the required attribute

• Ensures the user enters key information
• Improves the overall user experience of the form
• Can be used with Other validation properties (such as pattern, min, max) are used together for more advanced validation

required Notes on properties

• if required Validation will fail if the field's value is empty or undefined. The
• required attribute does not apply to checkboxes and radio buttons because these elements themselves represent Boolean values.
• The required attribute can be used with the v-model directive to automate validation.

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