Functions are objects too in javascript

[gion]

Let's say we have the following case:

var fn = function() {}
fn.prop = 'value';

Your code wouldn't cache the prop size.

[Portur]

FYI https://stackoverflow.com/questions/1248302/how-to-get-the-size-of-a-javascript-object

[miktam]

Fixed here https://github.com/miktam/sizeof/pull/76