made with esnextbin
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esnextbin sketch
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| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>ESNext Bin Sketch</title> | |
| </head> | |
| <body> | |
| <div id="example"></div> | |
| <!-- put markup and other contents here --> | |
| </body> | |
| </html> |
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| // https://babeljs.io/docs/learn-es2015/#generators | |
| const fibonacci = { | |
| [Symbol.iterator]: function*() { | |
| let pre = 0; | |
| let cur = 1; | |
| for (;;) { | |
| const temp = pre; | |
| pre = cur; | |
| cur += temp; | |
| yield cur; | |
| } | |
| } | |
| } | |
| for (let n of fibonacci) { | |
| // truncate the sequence at 1000 | |
| if (n > 1000) break; | |
| console.log(n); | |
| } |
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| { | |
| "name": "esnextbin-sketch", | |
| "version": "0.0.0", | |
| "dependencies": { | |
| "babel-runtime": "6.5.0" | |
| } | |
| } |
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| "use strict"; | |
| var _getIterator2 = require("babel-runtime/core-js/get-iterator"); | |
| var _getIterator3 = _interopRequireDefault(_getIterator2); | |
| var _defineProperty2 = require("babel-runtime/helpers/defineProperty"); | |
| var _defineProperty3 = _interopRequireDefault(_defineProperty2); | |
| var _regenerator = require("babel-runtime/regenerator"); | |
| var _regenerator2 = _interopRequireDefault(_regenerator); | |
| var _iterator2 = require("babel-runtime/core-js/symbol/iterator"); | |
| var _iterator3 = _interopRequireDefault(_iterator2); | |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | |
| // https://babeljs.io/docs/learn-es2015/#generators | |
| var fibonacci = (0, _defineProperty3.default)({}, _iterator3.default, _regenerator2.default.mark(function _callee() { | |
| var pre, cur, temp; | |
| return _regenerator2.default.wrap(function _callee$(_context) { | |
| while (1) { | |
| switch (_context.prev = _context.next) { | |
| case 0: | |
| pre = 0; | |
| cur = 1; | |
| case 2: | |
| temp = pre; | |
| pre = cur; | |
| cur += temp; | |
| _context.next = 7; | |
| return cur; | |
| case 7: | |
| _context.next = 2; | |
| break; | |
| case 9: | |
| case "end": | |
| return _context.stop(); | |
| } | |
| } | |
| }, _callee, this); | |
| })); | |
| var _iteratorNormalCompletion = true; | |
| var _didIteratorError = false; | |
| var _iteratorError = undefined; | |
| try { | |
| for (var _iterator = (0, _getIterator3.default)(fibonacci), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) { | |
| var n = _step.value; | |
| // truncate the sequence at 1000 | |
| if (n > 1000) break; | |
| console.log(n); | |
| } | |
| } catch (err) { | |
| _didIteratorError = true; | |
| _iteratorError = err; | |
| } finally { | |
| try { | |
| if (!_iteratorNormalCompletion && _iterator.return) { | |
| _iterator.return(); | |
| } | |
| } finally { | |
| if (_didIteratorError) { | |
| throw _iteratorError; | |
| } | |
| } | |
| } |
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