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'use strict'; const p = console.log; const iterable1 = { [Symbol.iterator]: () => { let cnt = 0; const iterator = { next: () => { const value = cnt++; const done = (5 < cnt); return { value, done }; // iterator result } }; return iterator; }, }; const iterable2 = { [Symbol.iterator]: function* () { for (let i = 0; i < 5; i++) { yield i; } } }; for (const v of iterable1) { p(v); } for (const v of iterable2) { p(v); } |
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0 1 2 3 4 0 1 2 3 4 |
