Since ECMAScript 5, you can use getters and setters instead of just making your own get and set functions. I think they look better, but also can imagine people overusing them. What do you think of getters? 👉Follow @expert.js to learn more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #databases #security

😱 Only 53 bits of JS numbers are used for the integer portion. No error is thrown when dealing outside the safe range, you just get approximate values. To solve this, either use a BigNumber library or the very new BigInt feature 🚀 👉Follow @expert.js to learn more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #databases #security #finance

🚀Build and launch your Node.js app with an easy Dockerfile so you can predictably start your service anywhere. The "run build" step is necessary if you're using TypeScript, webpack, etc. The optional "prune" step reduces image size by removing npm dev dependencies. The reason for copying package.json first is so iterative docker builds are faster. It will only run "npm install" if that file actually changed, otherwise it will use the docker cache and skip that step. 👉Follow @expert.js to learn more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #databases #docker #servers #containerization #aws

👉🏾 Have you tried out Node 12's automatic deep stack tracing? It really helps you debug issues with async/await. 😎 Older versions of Node.js only had partial stack traces and required 3rd-party libraries to get traces like these. Follow @expert.js for more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #sql #databases #debugging #data

📅 There's so many ways to format a date. I prefer the 2nd option shown (ISO-8610 strings) since it's human readable and when sorted alphabetically it sorts well 📈😃Storing as a number is very simple, but isn't very clear and also doesn't communicate the time zone. Follow @expert.js to learn more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #sql #databases #calendar

JavaScript variables created with "var" or as a global do not get created in a separate scope by ifs, loops, etc. Functions create a new block scope, but most other curly braces do not create a new scope, except if the variables were created with "const" or "let". Just one more reason to use those in your code. Compare this to my previous post and follow @expert.js for more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #data

When inside a new scope, you can define a variable with the same name as one from an outer scope. The referencing that variable name, the innermost instance will be used. Do you know what would happen if you added console.log(fruit) as the first statement inside the if? Follow @expert.js to learn more JavaScript tips! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #data

It's easy to create an object with dynamic keys. In this example, the field "population" is being set on both objects. Which way do you prefer? ⠀ Follow @expert.js to learn more JavaScript tips!⠀ ⠀ #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #data

Logging is great, but having extra console.log isn't recommended. Instead, you can use the debug module for optional logging. Many popular libraries already use it and you can too. ⠀ Follow @expert.js to learn more JavaScript tips!⠀ ⠀ #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #data

JavaScript arrays have 2 functions that return a subarray. Splice is interesting since it removes the section from the original array. Note how the parameters differ: slice takes (start, end) whereas splice takes (start, length). Splice also lets you insert new elements which I'll show in a later post.⠀ ⠀⠀ Follow @expert.js for more JavaScript tips!⠀⠀ ⠀⠀ #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #data

JavaScript has many great options for managing your database. These Object-relational Mappers (ORM) help in applications with lots of simple reads and writes to minimize the amount of SQL or other querying code you need to write. Each has it's advantages and disadvantages so you'll need to figure out which matches your needs and also is at a maturation level you want.⠀ ⠀ Follow @expert.js to learn more JavaScript tips!⠀ ⠀ #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #webdeveloper #html #web #buildupdevs #mongodb #sql #redis #databases

Use Object.freeze to prevent arrays or object properties from being changed. Once applied, no property can be added, edited or removed. Note: for deep objects, you may need to call freeze recursively or else the inner objects or arrays can still be changed. If done correctly, this ensures that no other code can change the object and can make your code more understandable, which is really useful for large projects. Follow @expert.js to learn more! #javascript #cleancode #technology #softwaredeveloper #code #coding #devlife #nodejs #programming #js #alexboostyou #webdeveloper #html #web #buildupdevs