Writing Good JavaScript Code: Avoid These Common Naming Mistakes
When it comes to writing good JavaScript code, picking the right names for your stuff is super important.
But hey, we all make mistakes, right?
Let’s talk about some common slip-ups and how to steer clear of them.
1. Unclear Variable Names
Okay, so using short names like “x” or “y” might feel quick, but it’s a trap. It makes your code a puzzle for others (and even for future you).
Instead, go for names that actually tell you what the variable is about, like “isLoading” or “isUserLoggedIn.”
let isLoading = true;
let isUserLoggedIn = false;2. Too Many Abbreviations
Abbreviations can save you some typing, but if you overdo it, things get messy.
“usrCnt” might seem cool, but “userCount” is way clearer. Find a balance between short and sweet and clear as day.
let userCount = 5;3. Ignoring CamelCase or snake_case
You’ve probably heard about camelCase, right?
Some folks forget about it, and that messes up the vibe. Stick to the rules — camelCase for variables, functions, and objects.
And hey, don’t forget snake_case for constants. Consistency is the key to keeping things tidy.
const MAX_LIMIT = 100;
let userLoggedIn = true;4. Messing Up Capitalization
Using “userName” in one spot and “username” in another? Not cool. Keep it consistent; it helps everyone stay on the same page.
5. Funky Function Names
Functions are like the heroes of your JavaScript story. Give them names that scream their purpose.
Skip generic stuff like “doSomething” and be specific about what your function is up to.
function fetchUserData() {
// Do some API call
}6. Neglecting Class and Constructor Names
Classes and constructors are big deals in JavaScript. Don’t mess up their names; it just confuses everyone.
Go for names that tell a story and make your code easier to understand.
class User {
constructor(name, age) {
this.name = name;
this.age = age;
}
}In Conclusion:
Clear names aren’t just for show; they make your code team-friendly. Remember these tips, and your JavaScript code will be cleaner than ever.
Details matter, especially when it comes to naming — it can make your code a whole lot better.
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