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- var nums = [ 1, 2, 3, 4, 5 ];
- var accumulator = Promise.resolve();
- for (var i = 0; i < nums.length; ++i) {
- accumulator = accumulator.then(function(result) {
- result = result || 0;
- return result + nums[i];
- });
- }
- accumulator.then(function(result) {
- console.log(result); // Что будет в консоли после выполнения этой строчки?
- });
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