function el(arr) { let i = 0; return function gen() { if (i < arr.length) { let val = arr[i]; i += 1; return val; } } } const myArray = [1, 2, 3]; const myGenerator = el(myArray); console.log(myGenerator()); // 1 console.log(myGenerator()); // 2 console.log(myGenerator()); // 3 console.log(myGenerator()); // undefined
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