---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: valid.jsonc
---
# Input
```cjs
var a = 3; var b = function() { var a = 10; };
```

# Input
```cjs
var a = 3; a = 10;
```

# Input
```cjs
if (true) {
    let b = 2;
} else {    
let b = 3;
}
```

# Input
```cjs
var a; class C { static { var a; } }
```

# Input
```cjs
class C { static { var a; } } var a; 
```

# Input
```cjs
function a(){} class C { static { var a; } }
```

# Input
```cjs
var a; class C { static { function a(){} } }
```

# Input
```cjs
class C { static { var a; } static { var a; } }
```

# Input
```cjs
class C { static { function a(){} } static { function a(){} } }
```

# Input
```cjs
class C { static { var a; { let a; } } }
```

# Input
```cjs
class C { static { let a; { let a; } } }
```

# Input
```cjs
class C { static { { let a; } { let a; } } }
```

# Input
```cjs
interface A { [index: string]: string; [index: number]: string; }
```