`)
| Test Case | Flags | Result |
| --- | --- | --- |
| `action=(string)`| (changed)| `"https://reactjs.com/"` |
| `action=(empty string)`| (initial)| `"http://localhost:3000/"` |
| `action=(array with string)`| (changed)| `"https://reactjs.com/"` |
| `action=(empty array)`| (initial)| `"http://localhost:3000/"` |
| `action=(object)`| (changed)| `"http://localhost:3000/result%20of%20toString()"` |
| `action=(numeric string)`| (changed)| `"http://localhost:3000/42"` |
| `action=(-1)`| (changed)| `"http://localhost:3000/-1"` |
| `action=(0)`| (changed)| `"http://localhost:3000/0"` |
| `action=(integer)`| (changed)| `"http://localhost:3000/1"` |
| `action=(NaN)`| (changed, warning)| `"http://localhost:3000/NaN"` |
| `action=(float)`| (changed)| `"http://localhost:3000/99.99"` |
| `action=(true)`| (initial, warning)| `"http://localhost:3000/"` |
| `action=(false)`| (initial, warning)| `"http://localhost:3000/"` |
| `action=(string 'true')`| (changed)| `"http://localhost:3000/true"` |
| `action=(string 'false')`| (changed)| `"http://localhost:3000/false"` |
| `action=(string 'on')`| (changed)| `"http://localhost:3000/on"` |
| `action=(string 'off')`| (changed)| `"http://localhost:3000/off"` |
| `action=(symbol)`| (initial, warning)| `"http://localhost:3000/"` |
| `action=(function)`| (initial, warning)| `"http://localhost:3000/"` |
| `action=(null)`| (initial)| `"http://localhost:3000/"` |
| `action=(undefined)`| (initial)| `"http://localhost:3000/"` |
## `additive` (on `
` inside `