JSFiddle - React, Tailwind, and code Playground
HTML
<p id="demo"></p>
<button id="sujith" name="button" value="OK" type="button">Click Me</button>
JavaScript
function person(first, last, age, eye) {
this.firstName = first;
this.lastName = last;
this.age = age;
this.eyeColor = eye;
}
person.prototype.name = function() {
return this.firstName + " " + this.lastName
};
var myFather = new person("John", "Doe", 50, "blue");
var myFriend = new person("Sujith", "Don", 50, "blue");
document.getElementById("demo").innerHTML =
"My father is " + myFather.name();
sujith.onclick = function(){
document.getElementById("demo").innerHTML =
"My friend is " + myFriend.name() + ;
}