JAVASCRIPT Tutorial
Code reusability is a crucial software engineering principle that aims to minimize code duplication and enhance maintainability. By designing code in a modular way and creating reusable components, developers can improve efficiency, reduce errors, and simplify code management.
Consider the following example:
// Reusable function to calculate the area of a triangle
const calcTriangleArea = (base, height) => 0.5 * base * height;
// Reusable class to represent a student
class Student {
constructor(name, age) {
this.name = name;
this.age = age;
}
getName() {
return this.name;
}
}
// Module with utility functions for data manipulation
const utils = {
average: (arr) => arr.reduce((a, b) => a + b) / arr.length,
max: (arr) => Math.max(...arr),
min: (arr) => Math.min(...arr),
};
In this example, we created:
calcTriangleArea
to calculate the area of a triangle.Student
to represent students.utils
with reusable utility functions for data manipulation.By following these best practices, you can improve your code's reusability, simplify maintenance, and enhance development efficiency.