---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalid.js
---
# Input
```jsx
<div aria-activedescendant={someID} />;

```

# Diagnostics
```
invalid.js:1:1 lint/a11y/useAriaActivedescendantWithTabindex  FIXABLE  ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! Enforce elements with aria-activedescendant are tabbable.
  
  > 1 │ <div aria-activedescendant={someID} />;
      │ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    2 │ 
  
  i aria-activedescendant is used to manage focus within a composite widget.
    The element with the attribute aria-activedescendant retains the active document focus.
  
  i Add the tabIndex attribute to the element with a value greater than or equal to -1.
  
  i Unsafe fix: Add the tabIndex attribute.
  
    1 │ <div·aria-activedescendant={someID}··tabIndex="0"·/>;
      │                                    ++++++++++++++    

```