Comments: Initial definition

• Comments can be defined initially for rows and cells in JSON data using pq_rowattr and pq_cellattr in local or remote data
• (v7.x) Comments can be defined for header cells with column.attrHead

Dynamic manipulation

• (v7.x) Range.comment() method can be used for dynamic manipulation of comments as in this example
• In earlier versions, attributes can be programmatically manipulated with attr and removeAttr methods as can be seen in examples for old versions

Note: jQuery attr and removeAttr shouldn't be used directly to manipulate attributes because of virtual rendering used in pqGrid.