The Wayback Machine - https://web.archive.org/web/20210729055620/https://www.geeksforgeeks.org/javascript-classes/
Skip to content
Related Articles

Related Articles

Improve Article

JavaScript | Classes

  • Last Updated : 15 May, 2020

Introduction of new version of JavaScript (ES6) introduced the use of classes instead of functions.Classes are similar to functions.They use class keyword instead of function keyword. 
They use constructor method to initialise. 

Syntax:

class classname {
  constructor(parameter) {
    this.classname = parameter;
  }
}

Below example illustrates the JavaScript classes:




<!DOCTYPE html>
<html>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <p>
          A Computer Sciecne Portal for Geeks
        </p>
  
        <b>JavaScript Classes</b>
  
        <p id="demo"></p>
  
        <script>
            class class_name {
                constructor(value) {
                    this.classes = value;
                }
            }
  
            myvalue = new class_name("GeeksforGeeks");
  
            document.getElementById("demo").innerHTML =
              myvalue.classes;
        </script>
    </center>
</body>
  
</html>

Output:
Image

My Personal Notes arrow_drop_up
Recommended Articles
Page :