How to use

getNumber

method

in

com.google.gwt.core.client.JsArrayMixed

/**
 * Gets the contents of the given {@link JsArrayMixed} as a double array.
 *
 * @param o {@link JsArrayMixed}
 * @return double[] if the array is not null, else null
 */
private static double[] getDoubleArray(JsArrayMixed o) {
  if (o != null) {
    double[] a = new double[o.length()];
    for (int i = 0; i < o.length(); i++) {
      a[i] = o.getNumber(i);
    }
    return a;
  } else {
    return null;
  }
}