Good morning sir. I want to add two var. I have error. Thanks you sir.

Question

Add two var.
https://code.sololearn.com/WQ2IlPSa6nAq/?ref=app

Answer 1

// Good morning Malick Diagne , there needs JavaScript
function add (x, y){
// document.getElementById ("task").innerText = x + y;
document.querySelector("h3").innerText = x + y;
}