History
| Name | Description | Returns |
|---|---|---|
| back() | Goes one step back. | void |
| forward() | Goes one step forward. | void |
| go(index) | Goes to a position relative to the current document. Positive values are forward, negative are backward. | void |
| length | Returns the number of items in the history. | number |
| pushState(state, title, url) | Adds an entry to the browser history. | void |
| replaceState(state, title, url) | Replaces the current entry in the browser history. | void |
| state | Returns the state data associated with the current document in the browser history. | object |