RosettaCodeData/Task/Pangram-checker/JavaScript/pangram-checker-2.js

19 lines
469 B
JavaScript

(() => {
"use strict";
// ----------------- PANGRAM CHECKER -----------------
// isPangram :: String -> Bool
const isPangram = s =>
0 === "abcdefghijklmnopqrstuvwxyz"
.split("")
.filter(c => -1 === s.toLowerCase().indexOf(c))
.length;
// ---------------------- TEST -----------------------
return [
"is this a pangram",
"The quick brown fox jumps over the lazy dog"
].map(isPangram);
})();