| global z | |
| ReferenceError: 'x' is undefined | |
| ReferenceError: 'y' is undefined | |
| ReferenceError: Let/Const redeclaration | |
| ReferenceError: Let/Const redeclaration | |
| global block z | |
| ReferenceError: 'x' is undefined | |
| ReferenceError: 'y' is undefined | |
| ReferenceError: Let/Const redeclaration | |
| outer w | |
| outer z | |
| ReferenceError: 'x' is undefined | |
| ReferenceError: 'y' is undefined | |
| outer var y | |
| ReferenceError: Let/Const redeclaration | |
| inner w | |
| inner z | |
| ReferenceError: 'x' is undefined | |
| outer var y | |
| ba | |
| ba | |
| outer var y | |
| 0 |