JSFiddle - React, Tailwind, and code Playground

JavaScript

for(var i = 0; i < 5; i++) {
    var j = i + 10;
    console.log("i is: " + i + " j is: " + j);
    setTimeout(function(i, j) {
        return function() {
            console.log("in timeout i is: " + i + " j is: " + j);
        };
    }(i, j), i * 1000);
}