copy-clone

Recursively clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

API

List of methods:

Where options can be the following:

'circular' Boolean: set to true if the object to be cloned may contain circular references. (default: true)
'depth' Integer: clone depth limit. (default: Infinity)
'prototype' String : sets the prototype to be used when cloning an object. (default: parent prototype).

Sorry don't remember from where I copy pasted this code from. Don't hesitate to let me know.