JsonVariant::getMember()
Description
JsonVariant::getMember() gets the value associated with the specified key; it reproduces JsonObject::getMember().
If the JsonVariant points to an object, this function returns a JsonVariant pointing to the specified member.
If the JsonVariant does not point to an object, this function returns a null JsonVariant.
Instead of this function, you can use JsonVariant::operator[] which offers a more intuitive syntax.
Signatures
JsonVariant getMember(const char* key) const;
JsonVariant getMember(const String& key) const;
JsonVariant getMember(const std::string& key) const;
JsonVariant getMember(std::string_view key) const; // 🆕 (added in 6.18.1)
JsonVariant getMember(const __FlashStringHelper* key) const;
Arguments
key: the key of the value in the object.
Return value
JsonVariant::getMember() returns a JsonVariant that points to the requested value.
JsonVariant::getMember() return null when no match is found.