SergeyERjs,
первую строку можно убрать
<script src="http://stacksnippets.net/scripts/snippet-javascript-console.min.js?v=1"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-polyfill/6.23.0/polyfill.min.js"></script>
<script>
'use strict';
var main = function () {
var _ref = _asyncToGenerator(regeneratorRuntime.mark(function _callee() {
return regeneratorRuntime.wrap(function _callee$(_context) {
while (1) {
switch (_context.prev = _context.next) {
case 0:
console.log('begin');
_context.next = 3;
return wait(2000);
case 3:
console.log('end');
case 4:
case 'end':
return _context.stop();
}
}
}, _callee, this);
}));
return function main() {
return _ref.apply(this, arguments);
};
}();
function _asyncToGenerator(fn) { return function () { var gen = fn.apply(this, arguments); return new Promise(function (resolve, reject) { function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { return Promise.resolve(value).then(function (value) { step("next", value); }, function (err) { step("throw", err); }); } } return step("next"); }); }; }
function wait(ms) {
return new Promise(function (resolve) {
return setTimeout(function () {
console.log("then");resolve();
}, ms);
});
}
main().then(function () {
return console.log('main is done');
});
</script>
