JSFiddle - React, Tailwind, and code Playground

JavaScript

class Test {
	constructor() {
  	this.message();
  }	
  message() {
  	console.log(123);
  }

}

let test = Test;
test.message();
// Uncaught TypeError: test.message is not a function"



let test2 = new Test();
test2.message();
// 123