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nairihar/symbol-iterator.js

Created May 20, 2018 13:05
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Symbol iterator, Async Iterator in NodeJS v10, medium
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symbol-iterator.js
const arr = [4, 5, 6]; // iterable object
const iterator = arr[Symbol.iterator]();
console.log(iterator.next()); // {value: 4, done: false}
console.log(iterator.next()); // {value: 5, done: false}
console.log(iterator.next()); // {value: 6, done: false}
console.log(iterator.next()); // {value: undefined, done: true}
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