JavaScript Tutorial
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š¹ JavaScript is the Programming Language for the Web. š¹ JavaScript can update and change both HTML and CSS. š¹ 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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šThe getName() is called a method of the Person class.
šLike 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
šES6 introduced a new syntax for declaring a class as shown in this exampleš
šThis Person class behaves like the Person type in the previous example.
šHowever, instead of using a constructor/prototype pattern, it uses the class keyword.
šIn the Person class, the constructor() is where you can initialize the properties of an instance.
šJavaScript automatically calls the constructor() method when you instantiate an object of the class.
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JavaScript class
šA JavaScript class is a blueprint for creating objects.
šA class encapsulates data and functions that manipulate data.
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š Computer science is
the study of computers
and computing as well as their theoretical and practical applications.
š Computer science applies the principles of mathematics, engineering, and logic to a plethora of functions, including algorithm formulation, software and hardware development, and artificial intelligence.
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