[removed] hiding prototype methods in for loop?

Question

So lets say I\'ve added some prototype methods to the Array class:

Array.prototype.containsKey = function(obj) {
    for(var key in this)
        if (key =         


        

Answer 1

you could do this:

for(var key in arr)
{
   if (typeof(arr[key]) == "function")
      continue;
   alert(key);
}

But that's a shoddy workaround