Javascript Tips and Tricks 2023 - Improve Your Code

Learn my 5 most used javascript tricks in 10 minutes. Here I want to share 5 most important javascript features to bring your Javascript code to the next level. With this tips you can build scalable, reactive and easy to support Javascript applications.

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Disclosures: All opinions are my own. Sponsors are acknowledged. Some links in the description are affiliate links that if you click on one of the product links, I’ll receive a commission at no additional cost to you. As an Amazon Associate I earn a small commission from qualifying purchases.

[igorr]

you can use !! shorthand for that as well for example let active = !!(isPrd && isEmp);

[juantato]

Great tips, I just watched your TS tutorial on the freecodecamp channel and it saved my life. Thank you so much for putting out this great content. Greetings from Colombia.

[rastapoile]

Hi,

For part 5. Avoid for loops :

In terms of performance, isn't it better to use the For? You only go through the list once, whereas you go through it 3 times with reduce, map and filter.

[chris_and_music]

I only use for loops if I need to break the loop when condition is met

[bakulbrahmbhatt]

const checkActive = (isActive, isProgrammer) => {
return !isActive ? 'inactive' : (isProgrammer? "active programmer" : "active");
}