| Properties of e: |
| |
| e.number: -2146823279 |
| e.stack: ReferenceError: 'BadType' is undefined |
| at throwException (propertyvalidation.js:65:9) |
| at bar (propertyvalidation.js:85:5) |
| at foo (propertyvalidation.js:90:5) |
| at Global code (propertyvalidation.js:93:1) |
| |
| |
| Deleting e.stack ... |
| |
| e.stack after delete: |
| undefined |
| Properties of e: |
| |
| e.number: -2146823279 |
| e.stack: ReferenceError: 'BadType' is undefined |
| at throwException (propertyvalidation.js:74:9) |
| at bar (propertyvalidation.js:85:5) |
| at foo (propertyvalidation.js:90:5) |
| at Global code (propertyvalidation.js:93:1) |
| |
| |
| Updating e.stack ... |
| |
| e.stack after update: |
| foo |
| |
| Object.preventExtensions test: |
| true |
| true |
| true |
| true |