What Are the Rules of Scripting?


Scott Campbell

What Are the Rules of Scripting?

In web development, scripting refers to the process of writing code that instructs a computer or browser to perform specific actions. Whether you are a beginner or an experienced developer, it is essential to understand and follow certain rules when scripting to ensure your code is efficient and maintainable.

1. Use Proper Syntax

Syntax refers to the set of rules that dictate how code should be written in a particular programming language. When scripting, it is crucial to adhere to the syntax defined by the language you are using. This includes using correct indentation, proper use of brackets and punctuation marks, and following naming conventions for variables and functions.

2. Comment Your Code

Commenting involves adding explanatory notes within your code that are ignored by browsers or interpreters but can be read by developers. Commenting is an important practice as it helps in understanding the purpose and functionality of different parts of your code.

It also makes it easier for other developers (including your future self!) to comprehend and modify your script.

3. Break Your Code into Functions

In scripting, breaking your code into functions helps in organizing and reusing blocks of code. Functions allow you to encapsulate specific tasks into modular units, making your script more readable and maintainable. It also enables easy debugging and testing of individual components without affecting the entire script.

4. Validate Input Data

Data validation is essential when scripting forms or handling user input in any way. Always validate user input by checking for expected data types, length restrictions, and any other requirements specified by your application’s logic or business rules. Proper data validation prevents script errors and security vulnerabilities caused by malicious or incorrect input.

5. Handle Errors Gracefully

No matter how well-written your script is, errors can still occur. It is crucial to handle these errors gracefully to prevent them from crashing your application or exposing sensitive information. Use try-catch blocks to capture and handle exceptions, providing meaningful error messages to users while logging detailed information for developers.


Scripting requires adherence to certain rules to ensure your code is clean, efficient, and maintainable. By following proper syntax, commenting your code, breaking it into functions, validating input data, and handling errors gracefully, you can create robust scripts that deliver reliable functionality. Remember that visually engaging code is not only about the way it looks but also about its structure and organization.

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