---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.jsonc
---
# Input
```cjs
delete a[x];
```

# Input
```cjs
delete a['k' + 'ey'];
```

# Input
```cjs
delete a.b[x];
```

# Input
```cjs
delete x
```

# Input
```cjs
delete f()
```

# Input
```cjs
delete el.dataset.something
```