All methods, will work only for forms which are generated from config.
Getting item's type
Applied to all items, will return one of [“checkbox”, “radio”, “input”, “select”, “label”] or null.
var type = dhxForm.getItemType(name, value); // for radio buttons 2nd argument value should be passed
Check if item exists
Applied to all items, will return true if item exists.
var isExists = dhxForm.isItemExists(name, value); // for radio buttons 2nd argument value should be passed
Removing item
Applied to all items.
dhxForm.removeItem(name, value); // for radio buttons 2nd argument value should be passed