Best Practices to write JS code?

Question

Deepak Tewatia · Answer

Absolutely, I'd be happy to provide insights on best practices for writing JavaScript code. Here are a few essential best practices for JavaScript development:

1. Use Descriptive Variable and Function Names:

Keeping variable and function names descriptive can significantly enhance the readability and maintainability of your code. For instance:


   // Good example
   let totalItemCount = 0;
   function calculateTotalItems() {
       // Code here
   }

   // Bad example
   let tic = 0;
   function calc() {
       // Code here
   }

2. Avoid Global Variables:

Minimize the use of global variables to prevent accidental overrides and conflicts. Utilize module patterns or ES6 modules to encapsulate your code.

3. Follow a Consistent Coding Style:

Adhering to a consistent coding style, such as the popular "Airbnb JavaScript Style Guide" or "Google JavaScript Style Guide," helps maintain code uniformity and improves collaboration within a team.

4. Error Handling and Use of Strict Mode:

Implement robust error handling mechanisms and make use of JavaScript's strict mode to catch potential errors and enforce better coding practices.

5. Utilize ES6 Features:

Embrace the features of ES6 (ECMAScript 2015) like arrow functions, let and const for variable declarations, and template literals to write cleaner, more concise code.

These are a few key best practices that can greatly improve the quality of JavaScript code. Let me know if you would like to delve deeper into any of these topics or if you have specific questions.

Best Practices to write JS code?

Deepak Tewatia