javascript constructor functions

Опубликовано: 03 Октябрь 2024
на канале: CodeStack

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certainly! in javascript, constructor functions are used to create multiple objects with the same structure and behavior. they serve as a blueprint for creating objects of a particular type.

here's a step-by-step tutorial on how to create constructor functions in javascript:

step 1: define the constructor function

in this example, we define a constructor function `person` that takes `name` and `age` as parameters and assigns them to the newly created object using the `this` keyword. we also define a method `greet` that logs a greeting message using the object's `name` and `age`.

step 2: create objects using the constructor function

we create new objects `person1` and `person2` using the `new` keyword followed by the constructor function `person`. each object has its own `name` and `age` properties, along with the `greet` method.

step 3: adding prototype methods

by adding methods to the `prototype` of the constructor function, we can ensure that all objects created with that constructor share the same method.

that's a basic tutorial on creating constructor functions in javascript. constructor functions are powerful tools for creating objects with shared properties and methods.

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