input value
number of significant figures
base (default: 10)
rounded value
var v = floorsd( 3.141592653589793, 5 );
// returns 3.1415
var v = floorsd( 3.141592653589793, 1 );
// returns 3.0
var v = floorsd( 12368.0, 2 );
// returns 12000.0
var v = floorsd( 0.0313, 2, 2 );
// returns 0.03125
Rounds a numeric value to the nearest number toward negative infinity with \(n\) significant figures.