js variable in class code example

Example 1: javascript class

class ClassMates{
	constructor(name,age){
    	this.name=name;
      	this.age=age;
    }
  	displayInfo(){
    	return this.name + "is " + this.age + " years old!";
    }
}

let classmate = new ClassMates("Mike Will",15);
classmate.displayInfo();  // result: Mike Will is 15 years old!

Example 2: how to create instance of class in javascript

class Hello {
	person(name){
    	this.name = name;
    }
  	// Constructor - Important except for JSX
    constructor(name){
    	this.person(name);
        console.log(`Hello ${this.name}`);
    }
}

const helloInstance = new Hello('john doe');

Example 3: class declaration in javascript

class NameOfClass {
//class declaration first letter should be capital it's a convention
  obj="text";
  obj2="some other text";
}
//always call class with "new" key word
console.log(new NameOfClass);

Example 4: how to create class in javascript

class ClassName
{
	  
}

Tags:

Misc Example