Tasks 1-4 NonStudent User

Exercises/1-random.js

@@ -1,9 +1,5 @@
 'use strict';
-
-const random = (min, max) => {
-  // Generate random Number between from min to max
-  // Use Math.random() and Math.floor()
-  // See documentation at MDN
-};
+// Tests not working (manual testing)
+const random = (min, max) => min + Math.floor(Math.random() * (max - min + 1));
 
 module.exports = { random };

Exercises/2-key.js

@@ -1,9 +1,12 @@
 'use strict';
-
-const generateKey = (length, possible) => {
-  // Generate string of random characters
-  // Use Math.random() and Math.floor()
-  // See documentation at MDN
+// Tests not working (manual testing)
+const generateKey = (length, characters) => {
+  const randomChar = () => Math.floor(Math.random() * characters.length);
+  let randChar = '';
+  for (let char = 1; char <= length; char++) {
+    randChar += characters[randomChar()];
+  }
+  return randChar;
 };
 
 module.exports = { generateKey };

Exercises/3-ip.js

@@ -1,11 +1,9 @@
 'use strict';
-
+// Tests not working (manual testing)
 const ipToInt = (ip = '127.0.0.1') => {
-  // Parse ip address as string, for example '10.0.0.1'
-  // to ['10', '0', '0', '1'] to [10, 0, 0, 1]
-  // and convert to Number value 167772161 with sitwise shift
-  // (10 << 8 << 8 << 8) + (0 << 8 << 8) + (0 << 8) + 1 === 167772161
-  // Use Array.prototype.reduce of for loop
+  const fn = (res, item) => (res << 8) + parseInt(item);
+  return ip.split('.').reduce(fn, 0);
 };
 
+
 module.exports = { ipToInt };

Exercises/4-methods.js

@@ -1,21 +1,11 @@
 'use strict';
-
+// Tests not working (manual testing)
 const methods = iface => {
-  // Introspect all properties of iface object and
-  // extract function names and number of arguments
-  // For example: {
-  //   m1: x => [x],
-  //   m2: function (x, y) {
-  //     return [x, y];
-  //   },
-  //   m3(x, y, z) {
-  //     return [x, y, z];
-  //   }
-  // will return: [
-  //   ['m1', 1],
-  //   ['m2', 2],
-  //   ['m3', 3]
-  // ]
+  const array = [];
+  for (const i in iface) {
+    if (typeof iface[i] === 'function') array.push([i, iface[i].length]);
+  }
+  return array;
 };
 
 module.exports = { methods };