Function infoClear

infoClear(json?): void
Clear the info stack.

Using the infoUrl, infoAudio, infoText, and infoVideo events, media and text can be shown on the Info tab. Multiple entries can be active simultaneously and are arranged in a vertical stack in order of addition.

This event removes all existing entries.
Parameters
- json: {
  clear: boolean;
  } = ...
  - clear: boolean
    true
Returns void
Example
```
{"clear": "true"}  // remove all entries from the info stack
```