up.viewport up.viewport.restoreScroll([viewport], [options])
JavaScript function

This feature is experimental. Please share your experiences so we know what to keep or change.

Restores previously saved scroll positions.

If no earlier scroll position is known, scroll positions are not changed and false is returned.

Unpoly automatically restores scroll positions when the user presses the back button.

Parameters

[viewport] Element|Array<Element> optional

The viewports for which to restore scroll positions.

Defaults to all viewports within the given layer.

[options.layer='current'] up.Layer|string optional

The layer on which to restore scroll positions.

[options.location] string optional

The URL for which to restore scroll positions.

If omitted, the given layer's location is used.

boolean

Returns whether scroll positions could be restored.

Made by Henning Koch

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