---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.js
---
# Input
```jsx
<CustomComponent />;
<CustomComponent aria-activedescendant={someID} />;
<CustomComponent aria-activedescendant={someID} tabIndex={0} />;
<CustomComponent aria-activedescendant={someID} tabIndex={-1} />;
<div />;
<input />;
<div tabIndex={0} />;
<div aria-activedescendant={someID} tabIndex={0} />;
<div aria-activedescendant={someID} tabIndex="0" />;
<div aria-activedescendant={someID} tabIndex={1} />;
<div aria-activedescendant={someID} tabIndex={-1} />;
<div aria-activedescendant={someID} tabIndex="-1" />;
<input aria-activedescendant={someID} />;
<input aria-activedescendant={someID} tabIndex={0} />;
<input aria-activedescendant={someID} tabIndex={-1} />;

```