code: public final static JsBundleLinkRenderer getJsBundleRenderer(
  			ResourceBundlesHandler bundler, String type, Boolean useRandomParam,
  			Boolean async, Boolean defer, String crossorigin) {
  		JsBundleLinkRenderer renderer = (JsBundleLinkRenderer) ClassLoaderResourceUtils
  				.buildObjectInstance(bundler.getConfig()
  						.getJsBundleLinkRenderClass());
  		renderer.init(bundler, type, useRandomParam, async, defer, crossorigin);
  
  		return renderer;
  	}
docs: Returns the JS Bundle renderer
  
  @param bundler
  the ResourceBundlesHandler
  @param type
  the script type attribute
  @param useRandomParam
  the flag indicating if it should use the random param
  @param async
  the flag indicating the value of the async attribute
  @param defer
  the flag indicating the value of the deferred attribute
  @param crossorigin
  the value of the crossorigin attribute
  @return the JS Bundle renderer