Method isNull

core/src/processing/data/JSONArray.java:1054–1056

Determine if the value is null. @webref @param index must be between 0 and length() - 1 @return true if the value at the index is null, or if there is no value.

(int index)

   * @return true if the value at the index is null, or if there is no value.
   */
  public boolean isNull(int index) {
    return JSONObject.NULL.equals(this.opt(index));
  }


  /**