hasField
The hasField method checks to see if a field exists in the current document.
Syntax
hasField ( fieldname [, case])
Arguments
| Argument | Description |
|---|---|
fieldname
|
(string) The name of the field. |
case
|
(boolean) A boolean that specifies whether the fieldname is case-sensitive. The field name is case-sensitive by default. |
Returns
(Boolean). True if the field exists, false otherwise.