toUSVString
Returns the string
after replacing any surrogate code points (or equivalently, any unpaired surrogate code units) with the Unicode "replacement character" U+FFFD.
Since
v16.8.0, v14.18.0
Returns the string
after replacing any surrogate code points (or equivalently, any unpaired surrogate code units) with the Unicode "replacement character" U+FFFD.
v16.8.0, v14.18.0