More about function in JS

📰 Dev.to · Annapoorani Kadhiravan

Learn how to use functions in JavaScript to simplify code and improve reusability

beginner Published 14 Jun 2026
Action Steps
  1. Define a function using the function keyword to encapsulate reusable code
  2. Use the return statement to output values from a function
  3. Call a function by its name followed by parentheses to execute the code inside
  4. Pass arguments to a function to make it more flexible and reusable
  5. Apply functions to real-world problems, such as calculating the sum of two numbers
Who Needs to Know This

Junior developers and frontend engineers can benefit from understanding functions in JavaScript to write more efficient code

Key Insight

💡 Functions help reduce code duplication and improve readability

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🚀 Simplify your JS code with functions!

Full Article

Why Do We Need Functions? Suppose we want to add two numbers several times. Without...
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