项目原始demo,不改动
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
This repo is archived. You can view files and clone it, but cannot push or open issues/pull-requests.
 
 
 
 

13 lines
477 B

  1. 'use strict';
  2. // https://github.com/tc39/proposal-promise-try
  3. var $export = require('./_export');
  4. var newPromiseCapability = require('./_new-promise-capability');
  5. var perform = require('./_perform');
  6. $export($export.S, 'Promise', { 'try': function (callbackfn) {
  7. var promiseCapability = newPromiseCapability.f(this);
  8. var result = perform(callbackfn);
  9. (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
  10. return promiseCapability.promise;
  11. } });