Created
March 23, 2016 20:55
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Closure in JavaScript
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| const makeNumbers = () => { | |
| let n = 0 | |
| return {next: () => { | |
| n += 1 | |
| return n | |
| } | |
| } | |
| numbers = makeNumbers() | |
| numbers.next() // 1 | |
| numbers.next() // 2 | |
| numbers.next() // 3 |
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