req.onreadystatechange = function()

in js/plugins/respond/respond.src.js [285:290]

• 6 lines of code
• 4 McCabe index (conditional complexity)

			req.onreadystatechange = function () {
				if ( req.readyState != 4 || req.status != 200 && req.status != 304 ){
					return;
				}
				callback( req.responseText );
			}