How to use chooseWindow with GlideRecord in ServiceNow

The chooseWindow(first,last) method return you set the first and last row number of records that you want to retrieve.

Example:

/Find the last 10 incidents created
var in= new GlideRecord('incident');
in.orderByDesc('sys_created_on');
in.chooseWindow(10, 20);
in.query();

while(in.next())

{

gs.log("Incident Number="+in.number)

}