index.js
function (alphaCoordinates) {
			var coordinateLabels = 'abcdefghijklmnopqrst';
			var intersection = [];

			intersection[0] = coordinateLabels.indexOf(alphaCoordinates.substring(0, 1));
			intersection[1] = coordinateLabels.indexOf(alphaCoordinates.substring(1, 2));

			return intersection;
		}
function (alphaCoordinates) {
			var coordinateLabels = 'abcdefghijklmnopqrst';
			var intersection = [];

			intersection[0] = coordinateLabels.indexOf(alphaCoordinates.substring(0, 1));
			intersection[1] = coordinateLabels.indexOf(alphaCoordinates.substring(1, 2));

			return intersection;
		}
function ( alphaCoordinates ) { var coordinateLabels = 'abcdefghijklmnopqrst' ; var intersection = [ ] ; intersection [ 0 ] = coordinateLabels . indexOf ( alphaCoordinates . substring ( 0 , 1 ) ) ; intersection [ 1 ] = coordinateLabels . indexOf ( alphaCoordinates . substring ( 1 , 2 ) ) ; return intersection ; }
Translate alpha coordinates into an array
@param string alphaCoordinates
@return array [x, y]
Translate alpha coordinates into an array