/**
* Assign the above variable 'bar' to an anonymous function with the following
* properites.
* @param {float[]} doubleArray - an array of floating point numbers.
* The function should multiply every number in the array by 2 (this should
* change the content of the array).
* @return {boolean} - true if the operation was sucessful, false otherwise.
* This should return false if any value in the array cannot be doubled.
*/

//your code here
bar =  function( doubleArray)
{

    for (var i = 0; i < doubleArray.length(); i++)
    {

        doubleArray[i] = 2 * doubleArray[i];

        if (doubleArray[i] == Nan)
        {

            return false;

        }

        return true;

    }

}