![]() Get consistent performance with older browsers or older versions of Node.js. However, Bluebird can be a great tool for ensuring you Over native promises in Node.js and modern browsers - native promises areĪctually faster. Bluebird no longer has a singificant performance advantage The reality is that, in 2020, most JavaScript apps don't get much benefitįrom using Bluebird. P instanceof global.Promise // false Should You Use Bluebird or Native Promises? Return new Promise( ( resolve, reject) => Performance:Įarly native promise implementations were slow - the below benchmark script shows that creating a native promise is 3x slower than creating a Bluebird promise in Node.js 8: // global.Promise = require('bluebird') const Benchmark = require( 'benchmark') Why do people use Bluebird as opposed to native promises? There's 2 reasons: 1. Prints "42" Promise.resolve( 42).then( val => console.log(val)) It is a drop-in replacement for native Promises in JavaScript. If your order arrived incomplete, contained damaged items, or didn't show up, we're here to help! Please contact us via email at with your order number and a picture of the damaged item (if applicable).Bluebird is a popular promises library for JavaScript. We aim to get your order right every time but we do occasionally make mistakes. If you would prefer a different product, please return the items you don’t need and place a new order at.
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