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cesarkohl/ECMA-7.10

Created January 13, 2020 14:49
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ECMA-7.10
var songs = new Set ([
 'song1', 'song1', 'song1'
]);
var songsAmount = songs.size;
console.log ("There are" + songsAmount + "songs in the list");
// There are 3 songs in the list
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