# p-try [](https://travis-ci.org/sindresorhus/p-try) > [`Promise#try()`](https://github.com/ljharb/proposal-promise-try) [ponyfill](https://ponyfill.com) - Starts a promise chain [How is it useful?](http://cryto.net/~joepie91/blog/2016/05/11/what-is-promise-try-and-why-does-it-matter/) ## Install ``` $ npm install --save p-try ``` ## Usage ```js const pTry = require('p-try'); pTry(() => { return synchronousFunctionThatMightThrow(); }).then(value => { console.log(value); }).catch(error => { console.error(error); }); ``` ## Related - [p-finally](https://github.com/sindresorhus/p-finally) - `Promise#finally()` ponyfill - Invoked when the promise is settled regardless of outcome - [More…](https://github.com/sindresorhus/promise-fun) ## License MIT © [Sindre Sorhus](https://sindresorhus.com)