Metadata

ID: tsx-react/no-tabindex-positive

Language: TypeScript

Severity: Notice

Category: Best Practices

Description

This rule is to help ensure a logical and efficient tab order in web applications. The tabIndex attribute specifies the tab order of an element, with a positive value indicating that the element should be included in the tab order. However, using positive values can disrupt the natural tab order, leading to a confusing and potentially inaccessible user interface.

This rule is particularly important for ensuring accessibility and usability. Users who rely on keyboard navigation, such as those with motor disabilities or vision impairments, may struggle to navigate a page if the tab order is not logical and predictable.

To adhere to this rule, you should avoid using positive values for the tabIndex attribute. Instead, use a tabIndex of 0 to include an element in the tab order based on its position in the document flow, or a tabIndex of -1 to exclude an element from the tab order.

Non-Compliant Code Examples

function Menu() {
    return (
        <div>
            <span tabIndex="5">item1</span>
            <span tabIndex={3}>item2</span>
        </div>
    );
}

Compliant Code Examples

function Menu() {
    return (
        <div>
            <span tabIndex="-1">item1</span>
            <span tabIndex={0}>item2</span>
        </div>
    );
}

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