check if master_checkbox is checked or unchecked

Suite and Optimus Suite 5
#1

Is there any way to know if #master_checkbox is checked or not ?

Thanks
Sumanth

#2

There is no any API methods, but you can access it through DOM as

var checked = grid.hdr.rows[1].cells[0].getElementsByTagName("INPUT")[0].checked;

where
1 - index of row in header
0 - index of column where master_checkbox resides