JSFiddle - React, Tailwind, and code Playground
JavaScript
function range(a,b) {
var c = [];
for (var i = a; i <= b; i++) {
c.push(i);
}
return c;
}
function sum(c) {
c.reduce(function(a,b) {
return a + b;
});
}
console.log(sum(range(1,5)));