JavaScript Set size
Example
// Create a Set
const letters = new Set(["a","b","c"]);
// Get the Size
let x = letters.size
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Description
The size property returns the number of elements in a set.
Syntax
set.size
Parameters
| NONE |
Return Value
| Type | Description |
| Number | The number of elements in the set. |
Related Set Methods:
See Also:
Browser Support
set.size() is an ECMAScript6 (ES6 2015) feature.
JavaScript 2015 is supported in all browsers since June 2017:
| Chrome 51 |
Edge 15 |
Firefox 54 |
Safari 10 |
Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |