JSFiddle - React, Tailwind, and code Playground
JavaScript
var a = 0;
var b = 1;
for (var x = 1; x <= 20; x++) {
var c = a + b;
alert(c);
a = b;
b = c;
}
var a = 0;
var b = 1;
for (var x = 1; x <= 20; x++) {
var c = a + b;
alert(c);
a = b;
b = c;
}