Set.prototype.size
The size accessor property returns the number of (unique) elements in a Set object.
Description
The value of size is an integer representing how many entries the Set object has. A set accessor function for size is undefined; you cannot change this property.
Examples
Using size
var mySet = new Set();
mySet.add(1);
mySet.add(5);
mySet.add('some text')
mySet.size; // 3
Specifications
| Specification |
|---|
| ECMAScript Language Specification # sec-get-set.prototype.size |
Browser compatibility
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