function JSONLoader(loadItem) {
		this.AbstractLoader_constructor(loadItem, true, createjs.Types.JSON);

		// public properties
		this.resultFormatter = this._formatResult;
	}
A loader for JSON files. To load JSON cross-domain, use JSONP and the {{#crossLink "JSONPLoader"}}{{/crossLink}}
instead. To load JSON-formatted manifests, use {{#crossLink "ManifestLoader"}}{{/crossLink}}, and to
load EaselJS SpriteSheets, use {{#crossLink "SpriteSheetLoader"}}{{/crossLink}}.
@class JSONLoader
@param {LoadItem|Object} loadItem
@extends AbstractLoader
@constructor