Convert ES6 Iterable to Array

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You can use Array.from or spread syntax (…).

Example:

const x = new Set([ 1, 2, 3, 4 ]);

const y = Array.from(x);
console.log(y); // = [ 1, 2, 3, 4 ]

const z = [ ...x ];
console.log(z); // = [ 1, 2, 3, 4 ]

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