function parseFloatArray( floatString ) {

		return floatString.split( ',' ).map( function ( stringValue ) {

			return parseFloat( stringValue );

		} );

	}
Parses comma separated list of float numbers and returns them in an array.
@example
// Returns [ 5.6, 9.4, 2.5, 1.4 ]
parseFloatArray( "5.6,9.4,2.5,1.4" )
@returns {number[]}