create element javascript with class

1// create div element by javascript with class
2
3var div = document.createElement('div');
4div.className = "div1";
5

1Let suppose we are creating a div using javascript create element
2// create a new div element 
3	var newDiv = document.createElement("div"); 
4// assigning class name to the new div
5	newDiv.className = "className";

1class Person {
2 constructor(name, age) {
3   this.name = name;
4   this.age = age;
5 }
6  present = () => { //or present(){
7  	console.log(`Hi! i'm ${this.name} and i'm ${this.age} years old`) 
8  }
9}
10let me = new Person("tsuy", 15);
11me.present();
12// -> Hi! i'm tsuy and i'm 15 years old.

1class Person {
2	constructor(name, age) {
3		this.name = name;
4		this.age = age;
5	}
6	displayInfo() {
7		return this.name + ' is' + this.age + " years old";
8	}
9}
10
11const Anthony = new Person('Anthony', 32);

1var element =document.createElement("span");
2        element.className = "aClassName";