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LearnFrontend.IO

@learnfrontendio

Building http://learnfrontend.io | Everyday tweets about web development

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Introduction to ARIA in HTML & Why is it important? ⚡ A thread 🧵↓


Learning doesn't have to cost

I haven't paid a single dollar💸 to learn anything. ✓ Medium ➪ Blogs ✓ Youtube ➪ Tutorials ✓ Github ➪ Sample codes ✓ Official docs ➪ Everything ✓ W3school ➪ a quick recap ✓ MDN Docs ➪ detailed Explanation ✓ StackOverflow ➪ dealing with errors

Adarsh____gupta's tweet image. I haven't paid a single dollar💸 to learn anything.

✓ Medium ➪ Blogs
✓ Youtube ➪ Tutorials
✓ Github     ➪ Sample codes
✓ Official docs   ➪ Everything
✓ W3school      ➪ a quick recap
✓ MDN Docs     ➪ detailed Explanation
✓ StackOverflow ➪ dealing with errors


Return a callback in the useEffect hook for it to be called once when the component unmounts. This can be useful for cleaning up when a component is not being rendered anymore. #react #ReactJS #typescript #javascript #redux #nodejs #developer #coding #webdev #webdevelopment

learnfrontendio's tweet image. Return a callback in the useEffect hook for it to be called once when the component unmounts. 

This can be useful for cleaning up when a component is not being rendered anymore. 

#react #ReactJS #typescript #javascript #redux #nodejs #developer #coding #webdev #webdevelopment

Use the useMemo hook if an object or array is being passed to dependency list of a hook (ex. useEffect) #ReactJS #react #javascript #typescript #frontend Javascript React #NodeJs #developer #webdev

learnfrontendio's tweet image. Use the useMemo hook if an object or array is being passed to dependency list of a hook (ex. useEffect)

#ReactJS #react #javascript #typescript #frontend Javascript React #NodeJs #developer #webdev

Use "finally" on a promise to execute code no matter if the promise failed or succeeded. #javascript #typescript #react #reactjs #developer #coding #developer #frontend #nodejs #100DaysOfCode

learnfrontendio's tweet image. Use "finally" on a promise to execute code no matter if the promise failed or succeeded.

#javascript #typescript #react #reactjs #developer #coding #developer #frontend #nodejs #100DaysOfCode

Did you know that the "in" keyword can be used to check if a key exists in an object? #javascript #typescript #coder #coding #webdevelopment #web #react #redux #frontend #engineering #developer #NodeJS #ReactJS

learnfrontendio's tweet image. Did you know that the "in" keyword can be used to check if a key exists in an object?

#javascript #typescript #coder #coding #webdevelopment #web #react #redux #frontend #engineering #developer #NodeJS #ReactJS

Ever wondered what's the difference between ?? (nullish coalescing) and || (logical OR)? #typescript #javascript #FrontEnd #ReactJS #React #developer #NodeJS #engineer #webdevelopment

learnfrontendio's tweet image. Ever wondered what's the difference between  ?? (nullish coalescing) and || (logical OR)?

#typescript #javascript #FrontEnd #ReactJS #React #developer #NodeJS #engineer #webdevelopment

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