# hideCover

### Description

@short: Hides the lightbox modal overlay that blocks interactions with the remaining screen

@signature: hideCover: (box?: HTMLElement) =\> void

### Parameters

### Example

~~~jsx
gantt.hideCover(gantt.getLightbox());
~~~

### Details

If you specify the input parameter, the method will hide the specified HTML object element (by setting the display property to "none").

### Related API
- [showCover](api/method/showcover.md)