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mattiaslundberg/promises.js

Created August 4, 2019 09:52
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  1. mattiaslundberg created this gist Aug 4, 2019.
    20 changes: 20 additions & 0 deletions promises.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,20 @@
    // Create new promise
    const p = new Promise((resolve, reject) => {
    reject(new Error('some error'));
    //resolve('Some data');
    });

    // Then/catch
    p.then(result => console.log(result)).catch(error => console.error(error));

    // Async
    const foo = async () => {
    try {
    const result = await p;
    console.log(result);
    } catch (error) {
    console.log('it crashed', error);
    }
    };

    foo();