Introduction
Environment Setup
What is JavaScript vs ES-5 or ES-6
JavaScript Syntax
JavaScript Comments
JavaScript Use Strict
JavaScript Variables
JavaScript Reserved Words
JavaScript Scope
JavaScript Data Types
JavaScript Function
Function overloading not possible in JavaScript
JavaScript Arrow Function
JavaScript Numbers
JavaScript Number Methods
JavaScript String
JavaScript String Methods
JavaScript if else and else if
JavaScript Comparison and Logical Operators
JavaScript Arrays
JavaScript Sorting Arrays
JavaScript Array Iteration Methods
JavaScript for loop
JavaScript Let keyword
JavaScript Const
JavaScript Objects
JavaScript Object Methods
JavaScript ES5 Object Methods
JavaScript Object Accessors
JavaScript Math Object
JavaScript Random
JavaScript this Keyword
JavaScript Date Objects and Date Formats
JavaScript Classes
JavaScript While Loop
JavaScript Break and Continue
JavaScript Switch Statement
JavaScript JSON
Error handling in JavaScript
In the ECMAScript-2015 introduce the class in the latest JavaScript version which known as ECMAScript. In the JavaScript class like object which is user or programmer define object. JavaScript allow to every class contain there won constructors. Other programming language like C# or Java follow the constructor name and class name are same but JavaScript follow the constructor name allows ‘constructor’. We know ‘constructor’ allows call the first. We can pass the paramitas from the JavaScript constructor like other programming language. Also, we can create object of the class then access under the class method or properties. Now given bellow the JavaScript class example code and explain the code:
<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
<script type="text/javascript">
//JavaScript class
class Name {
constructor(myName) {
this.name = myName;
}
present() {
return "My Name Is " + this.name;
}
}
myName = new Name("Farhan Sakib Jesy");
console.log( myName.present());
</script>
</body>
</html>
In this code we first create a class name as “Name”. This name class contain a constructor. This constructor is receiving a parameter then this parameter value attaches the name variable also the class contain the ‘present’ function. This function responsible to return the full attach value. Now call the function by creating object of the class.
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