How to Print Function Signature in javascript

Question

I have a function:

fs.readFile = function(filename, callback) {
    // implementation code.
};

Sometime later I want to see the signature of th

Answer 1

I am not sure what you want but try looking at the console log of this fiddle, it prints entire function definition. I am looking at chrome console.log output.

var fs = fs || {};
fs.readFile = function(filename, callback) {
  alert(1);
};
console.log(fs.readFile);

DEMO http://jsfiddle.net/K7DMA/