| 0. Array: default | |
| 1,2,,3 | |
| 1. Array: Replaced Array.prototype.join | |
| replaced Array.prototype.join | |
| 2. Array: Replaced non-callable Array.prototype.join | |
| [object Array] | |
| 3. Object: no join | |
| [object Object] | |
| 4. Object: has join | |
| o join | |
| 5. Object: non-callable join | |
| [object Object] | |
| 6. Object: no join, replaced Object.prototype.toString | |
| [object Object] |