Javascript Basics Problem Set

challenges/bottles-of-beer-song.js

@@ -22,3 +22,12 @@
 */
 
 // YOUR CODE HERE
+function beerBottles() {
+    for (i = 5; i > 0; i--) {
+        var less = i - 1;
+        console.log(i + ' bottles of beer on the wall,');
+        console.log(i + ' bottles of beer!');
+        console.log('Take one down and pass it around,');
+        console.log(less + ' bottles of beer on the wall...');
+    }
+}

challenges/palindrome-detector.js

@@ -21,3 +21,10 @@
 */
 
 // YOUR CODE HERE
+function isPalindrome(input) {
+  var lowerCase = input.toLowerCase();
+  var noPunctuation = lowerCase.replace(/[.,\/#!$%\^&\*;:{}=\-_`~()]/g,"");
+  var noSpace = noPunctuation.replace(/\s+/g, '');
+  var output = noSpace.split("").reverse().join("");
+  return noSpace === output;
+}

challenges/primes.js

@@ -10,3 +10,26 @@
 */
 
 // YOUR CODE HERE
+
+//part 1
+function isPrime(num) {
+    if (num < 2) return false;
+    if (num == 2) return true;
+    for (var i = 2; i < Math.sqrt(num)+1; i++) {
+        if (num % i === 0) {
+            return false;
+        }
+    }
+    return true;
+}
+
+//part 2
+function primes(max) {
+  var output = [];
+  for (var i = 2; i <= max; i++)
+    if (isPrime(i)) {
+      output.push(i);
+    }
+  return output;
+
+}

challenges/shakespearian-insult-generator.js

@@ -17,3 +17,29 @@ var second_word = ["weather-bitten", "unchin-snouted", "toad-spotted", "tickle-b
 var third_word = ["wagtail", "whey-face", "vassal", "varlet", "strumpet", "skainsmate", "scut", "ratsbane", "pumpion", "puttock", "pignut", "pigeon-egg", "nut-hook", "mumble-news", "moldwarp", "miscreant", "minnow", "measle", "mammet", "malt-worm", "maggot-pie", "lout", "lewdster", "joithead", "hugger-mugger", "horn-beast", "hedge-pig", "harpy", "haggard", "gudgeon", "giglet", "fustilarian", "foot-licker", "flirt-gill", "flax-wench", "flap-dragon", "dewberry", "death-token", "codpiece", "coxcomb", "clotpole", "clack-dish", "canker-blossom", "bum-bailey", "bugbear", "boar-pig", "bladder", "barnacle", "baggage", "apple-john"];
 
 // YOUR CODE HERE
+
+//Insult Generator
+var first = Math.floor(Math.random() * (first_word.length - 1));
+var second = Math.floor(Math.random() * (second_word.length - 1));
+var third = Math.floor(Math.random() * (third_word.length - 1));
+
+function insultGenerator() {
+  return 'You ' + first_word[first] + second_word[second] + third_word[third] + ' you!';
+}
+
+
+//Bonuses
+var all_words = first_word.concat(second_word, third_word);
+
+function generateInsult() {
+    var randomNumber = Math.floor(Math.random() * (all_words.length - 1));
+    return all_words[randomNumber];
+}
+
+function generateInsults(num) {
+  var output = [];
+  for (i = 0; i < num; i++) {
+     output.push(generateInsult());
+  }
+  return output;
+}