How to write better code — functions and methods 👩🔬 ✅ 💯
Here are 4ways to improve the way you code by writing cleaner and better to understand methods/functions
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Function names should be verbs 🚶
If variables are nouns, functions should be verbs and their name should should tell what they’re doing to the data in question
- ✅ Do this
const getArrayFromObject() - ❌ Don’t do this
const arrayFunction()
Functions should do 1 thing 🔢
Code should read like a book. That means every file you write is a page in your book, and every function a small paragraph. Make sure it’s concise and to the point.
Use named variables for parameters 📛
Ever been calling a function that has like, 10 parameters? Things get messy and if you’re like me, it’s hard to keep track of so many parameter names. Was the name parameter first or third on the list? That’s why I to use named variables for all of my functions.
- ✅ Do this
const getData({userId, username, password}) - ❌ Don’t do this
const getData(userId, username, password)
Aim for 2 parameters at most 🥈
With the theme or remember the parameters you pass to a function, keeping them to the lowest number you can, helps with keeping things organized. You won’t have to remember a long list of variables as you call your project’s most important methods
- ✅ Do this
const handleLogin({userInformation, callback}) - ❌ Don’t do this
const handleLogin({username, email, password, callback})
Closing thoughts
How do you write better code? Do you have any advice for new developers trying to write better code?
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