["1, 2, 34", "1 2 3", "1,2,3"].map(e => e.split(/, *| +/))

myvar ::= String

> instance.__proto__
< ReferenceError: Can't find variable: instance

function A() {
   this.a = 1;
   this.b = 2;
}

newObject = Object.create(oldObject).__proto__

> b = magic(a)
> a.a[0].a[0]
< "goat" = $4
> b.a[0].a[0]
< "goat" = $4
> a.a[0].a[0] = "sheep"
< "sheep" = $5
> b.a[0].a[0]
< "sheep" = $5

var newObject = JSON.parse(JSON.stringify(oldObject))

function clone(source){
    var result = Object.create(Object.prototype, source.__proto__);
    Object.keys(source).forEach(prop => result[prop] = source[prop]);
    return result;
}

function clone(source){
    var result = Object.create(Object.prototype, source.__proto__);
    Object.keys(source).forEach(prop => result[prop] = (source[prop] instanceof Object ? clone(source[prop]) : source[prop]));
    return result;
}