JavaScript Set forEach()

Definition and usage

forEach() Method calls a function for each element in the Set:

forEach() The method does not change the original Set.

Instance

// Create a Set
const letters = new Set(["a", "b", "c"]);
// List all entries
let text = "";
letters.forEach(function(value) {
  text += value;
});

Try it yourself

Syntax

Parameters

Return value

None.

Browser support

set.forEach() Is a feature of ECMAScript6 (ES6).

Starting from June 2017, all modern browsers support ES6 (JavaScript 2015):

Internet Explorer Does Not Support set.forEach().