Answers for "create class with properties in javascript"

create element javascript with class

// create div element by javascript with class

var div = document.createElement('div');
div.className = "div1";

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!