---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.jsonc
---
# Input
```cjs
s.toUpperCase() === 'ABC';
```

# Input
```cjs
s.toLowerCase() === 'abc';
```

# Input
```cjs
s.toUpperCase() === '20';
```

# Input
```cjs
s.toLowerCase() === '20';
```

# Input
```cjs
s.toLowerCase() === `eFg${12}`;
```

# Input
```cjs
s.toLowerCase() == `eFg${12}`;
```