function JavaScriptLoader(loadItem, preferXHR) {
		this.AbstractLoader_constructor(loadItem, preferXHR, createjs.Types.JAVASCRIPT);

		// public properties
		this.resultFormatter = this._formatResult;

		// protected properties
		this._tagSrcAttribute = "src";
		this.setTag(createjs.Elements.script());
	}
A loader for JavaScript files.
@class JavaScriptLoader
@param {LoadItem|Object} loadItem
@param {Boolean} preferXHR
@extends AbstractLoader
@constructor