Create 1832-check-if-the-sentence-is-pangram.js

Author: everthis

1832-check-if-the-sentence-is-pangram.js

@@ -0,0 +1,12 @@
+/**
+ * @param {string} sentence
+ * @return {boolean}
+ */
+const checkIfPangram = function(sentence) {
+  const hash = new Map()
+  for(let ch of sentence) {
+    if(!hash.has(ch)) hash.set(ch, 0)
+    hash.set(ch, hash.get(ch) + 1)
+  }
+  return hash.size >= 26
+};