The size property of the Set object returns number representing the number of elements in the current set object.
Syntax
Its Syntax is as follows
Obj.size();
Example
<html> <head> <title>JavaScript Example</title> </head> <body> <script type="text/javascript"> const setObj = new Set(); setObj.add('Java'); setObj.add('JavaFX'); setObj.add('JavaScript'); setObj.add('HBase'); document.write("Size of the Set object: "+setObj.size); </script> </body> </html>
Output
Size of the Set object: 4