Mathias Bynens @mathias
Replacing all occurrences of a substring with another string is a common operation. Unfortunately, doing this correctly is surprisingly hard in JavaScript. 🤯 The new String.prototype.replaceAll API is here to help! 🎉 https://t.co/YYRBRzr1zg https://t.co/zzwqmXQD91
Caleb Porzio @calebporzio
🔥 Super clean little way to disable submit buttons while a form is posting 👌 Just learned that you can reference an input element in the handler by "name" (no long document.querySelector) 🙌 (Video in reply) https://t.co/BqhOETXIq5
Patrick Stephan @pstephan1187
#hottip If you need to map over an object in #javascript, used `Object.entries()`. It will convert an object into an array of key/value tuples: https://t.co/YTROMeZ7JR
Tomek Sułkowski @sulco
#JavaScript / #DevTools tip for today: You can use `await` in the Console without needing to wrap it in an async function. https://t.co/lOLFBMWAZW
Wes Bos @wesbos
🔥 Here is a neat one! Since arrays are objects, we can destructure their indexes to easily grab the first and last items. https://t.co/nfeGmFBcCr
Wes Bos @wesbos
👆🏻Intl is aware of language differences, so it will either detect or be passed a language tag. Swedish uses ä as the 28th letter, so it respects that: https://t.co/pf6agoYxZV
Wes Bos @wesbos
🔥 Use Intl.Collator() to easily sort or group strings regardless of their case or accent https://t.co/MblsezQxGb
Wes Bos @wesbos
🔥 Use Intl.PluralRules() to easily find the ordinal for numbers - 1st, 2nd, 3rd, 4th... https://t.co/RSZKXKtSd0
Kent C. Dodds 🧢 @kentcdodds
🔥 Put this in your jest test setup file: afterEach(() => { jest.clearAllMocks() }) Helps ensure your tests are properly isolated.
Benjamin De Cock @bdc
Little function to remove all the attributes from a DOM element. https://t.co/Cgp2s92yfo
James K Nelson @james_k_nelson
Neat trick: get the last part of a path without fiddling with regexes or libraries. #JavaScript https://t.co/1F7zv4Y769
Jakub Chrzanowski @hszanowski
🔥 When working with #serverless ⚡ it's important to stick to the specific #nodejs version. Specify it in package.json and test local node before deployment! #aws #javascript #webdevelopment @goserverless @awscloud https://t.co/LoMGjRCodJ
Rich Harris @Rich_Harris
just learned a neat trick from the Three.js source code: if you want to remove an item from an array whose order doesn't matter, don't do this... array.splice(index, 1); // slooooowwwww ...do this: array[i] = array[array.length - 1]; array.pop(); // orders of magnitude faster!
JavaScript Joel 🍻 @joelnet
💡TIP: Serial = one at a time. Parallel = multiple at the same time. You can choose to run things as serial or parallel based on your needs. #dev #developer #javascript #es6 #nodejs #programming #Developer https://t.co/hG6H3K3iPt
Jason Beggs @jasonlbeggs
🔥 This is a super-handy alias I found out about a while ago. It deletes all the node_modules folders inside your projects. Run this in your sites/code directory and watch your disk space reappear! https://t.co/JECVNWvnuI
Markus Oberlehner @MaOberlehner
⚡️ Did you know you can use ES6 Object Destructuring to remove one or multiple properties from an Object? https://t.co/ko3r3Nq7jE
Caleb Porzio @calebporzio
? Object destructuring is so powerful. So many good uses, but a "config" object parameter is a great one! https://t.co/dSOCgnF2NN
Caleb Porzio @calebporzio
?? Quick tip: Clean up your "or" statements with JavaScripts Array.includes() (Yet another improvement moving from an imperative style to declarative) https://t.co/u8CZHsjyrS
Samantha Ming @samantha_ming
How to Deep Clone an Array ? There are 2 types of array cloning: shallow & deep. Shallow copies only cover the 1st level of the array and the rest are referenced. For deep clones, go with the JSON way OR better yet use Lodash ? #100DaysOfCode #CodeNewbie #301DaysOfCode https://t.co/dflJ4XCXOj
R. Alex Anderson ? @ralex1993
??? #JavaScript tip: Reduce an array of constants into an object to save yourself a couple lines of code. I'm using linear interpolation here to create an array of x,y,z values from a location, destination, and the movement time. https://t.co/0wlocaJLWu
