dentify the structure in which any function, including named functions, is nested within another function. insidefn() function outsidefn() { function insidefn() { commands } commands } function outsidefn() { commands function insidefn() { commands } commands } function outsidefn() { commands insidefn function () { commands } commands } outsidefn()function { commands function insidefn() { commands } commands }