JS: Set.prototype.size
(new in JS: ECMAScript 2015)
mySet.size-
Return the total count of values in mySet.
sizeis a getter property. 〔see Getter Setter Properties〕(new Set([4, 5, 6])).size === 3
(new in JS: ECMAScript 2015)
mySet.sizeReturn the total count of values in mySet.
size is a getter property.
〔see Getter Setter Properties〕
(new Set([4, 5, 6])).size === 3