JavaScript Tutorial
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🕹 JavaScript is the Programming Language for the Web. 🕹 JavaScript can update and change both HTML and CSS. 🕹 JavaScript can calculate, manipulate and validate data. Group @js_group_tut @javascript_tut
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The john object is also an instance of the Person and Object types
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To verify the fact that classes are special functions, you can use the typeof operator of to check the type of the Person class.
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💎The getName() is called a method of the Person class.
💎Like a constructor function, you can call the methods of a class using the above syntax:
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The above example creates a new Person object,
which will automatically call the constructor() of the Person class:
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ES6 class declaration
💎ES6 introduced a new syntax for declaring a class as shown in this example👆
💎This Person class behaves like the Person type in the previous example.
💎However, instead of using a constructor/prototype pattern, it uses the class keyword.
💎In the Person class, the constructor() is where you can initialize the properties of an instance.
💎JavaScript automatically calls the constructor() method when you instantiate an object of the class.
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JavaScript class
💎A JavaScript class is a blueprint for creating objects.
💎A class encapsulates data and functions that manipulate data.
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