SpreadJS Documentation
clear Method
GC.Spread.Sheets.Comments Namespace > CommentManager type : clear Method
The range that you want clear all comments from.
Clears all of the comments in the indicated range on the sheet. When the range is not specified, it clears all the comments in the sheet.
Syntax
var instance = new GC.Spread.Sheets.Comments.CommentManager(sheet);
var value; // Type: any
value = instance.clear(range);
function clear( 
   range : Range
) : any;

Parameters

range
The range that you want clear all comments from.
See Also

Reference

CommentManager type