こんなん。 var GeoFeatures = function(){}; (function(){ /* * Point */ GeoFeatures.Point = function(x, y, z, m){ this.x = x || 0; this.y = y || 0; this.z = z || 0; this.m = m || 0; }; GeoFeatures.Point.prototype = { x: 0, y: 0, z: 0, m: 0, …