JSONArea

object:   [value = {}]        
string:   [fieldname = 'jsonarea']
boolean:  [required = true]
boolean:  [readonly = false]
boolean:  [disabled = false]        
boolean:  [valid = true]
string:   [size]              ['small', default, 'medium', 'large']        
number:   [rows = 10]
array of string:  [reactOn = ["onblur"]]
string:   [colorValid = "success"]
string:   [colorInvalid = "danger"]
number:   [validationDelay = 1000]
string:   [class = '']
function: [onchange]
function: [onerror]