How to pass a variable to a function handler?

Question

JavaScript

we have

function one() {

    var btn = document.querySelector("#reply");
    var x = 7;
    btn.addEventListener("click", two);

}

function two() {

console.log('как вывести икс');
console.log(x);

}

one()

how to pass the variable x from the first function to the second so that console.log(x); worked?

Answer 1

Can be an argument

Answer 2

Add to function one, return x
Console.log (one()) //// 7