HasMember
This method checks whether a certain property is present in the DOM memory. If the property is present the method returns TRUE, otherwise it returns FALSE.
Syntax
METHOD HasMember : BOOL
VAR_INPUT
v : SJsonValue;
END_VAR
VAR_IN_OUT CONSTANT
member : STRING;
END_VAR
Return value
Name | Type |
|---|---|
HasMember | BOOL |
Inputs
Name | Type |
|---|---|
v | SJsonValue (note possible invalidity) |
/ Inputs/outputs
Name | Type |
|---|---|
member | STRING |
Sample call:
bHasMember := fbJson.HasMember(jsonDoc, 'PropertyName');