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