RosettaCodeData/Task/Loops-N-plus-one-half/JavaScript/loops-n-plus-one-half-4.js

22 lines
411 B
JavaScript

function range(m, n) {
return Array.apply(null, Array(n - m + 1)).map(function (x, i) {
return m + i;
});
}
console.log(
(function (nFrom, nTo) {
var iLast = nTo - 1;
return range(nFrom, nTo).reduce(
function (accumulator, n, i) {
return accumulator +
n.toString() +
(i < iLast ? ', ' : ''); // conditional sub-expression
}, ''
)
})(1, 10)
);