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Understanding Getters and Setters for Data Manipulation
Getters and setters are crucial accessor methods used in object-oriented programming to control data access and manipulation within an object. They provide a controlled way to retrieve and update internal object properties.
What Getters and Setters Do
When to Use Getters and Setters
Using getters and setters is highly recommended when:
Simple Examples
Consider the following example in JavaScript:
class Person { #firstName; #lastName; get fullName() { return `${this.#firstName} ${this.#lastName}`; } set fullName(name) { const [firstName, lastName] = name.split(" "); this.#firstName = firstName; this.#lastName = lastName; } } const person = new Person(); person.fullName = "John Doe"; console.log(person.fullName); // Output: "John Doe"
In this example:
Additional Considerations
As demonstrated in the example, setters can also be used to update related values. For instance, if you had a birthday property, you could use a setter to validate the date and perform calculations related to the individual's age.
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