week 4 add

Author: mingsterism

codeacademy/module5.js

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+// creating an array
+/**
+ * Creating a list of strings, values, numbers, boolean
+ *
+ */
+
+var names = ["james", "ming", "ashley", "abc"];
+// Index of an array
+// why does it start with 0
+for (var i = 0; i < names.length; i++) {
+  console.log(names[i]);
+}
+
+// Accessing elements - using the index to get the objects
+console.log(names[2]);
+
+// update elements
+names[1] = "Elijah";
+console.log(names);
+
+// check difference between var and let
+let height = 20;
+const name = "ash";
+
+const hobbies = ["swim", "run", "jumpping", "dash"];
+hobbies[2] = "jogging";
+console.log(hobbies);
+
+// performance of appending and pushing to arrays
+
+// arrays and function
+
+var elijah = {
+  name: "Elijah",
+  gender: "M"
+};
+
+function myname() {
+  console.log("I am running inside");
+}
+
+var listOfHumans = [
+  {
+    name: myname,
+    gender: "M"
+  },
+  {
+    name: "Jason",
+    gender: "M"
+  },
+  {
+    name: "Jovan",
+    gender: "M"
+  },
+  {
+    name: "Zhi Ming",
+    gender: "M"
+  }
+];
+
+listOfHumans[0].name();

freecodecamp/ming/confirmTheEnding.js

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+function confirmEnding(word, target) {
+  // "Never give up and good luck will find you."
+  // -- Falcor
+  return word.substring(word.length - target.length, word.length) === target;
+}
+
+confirmEnding("Bastian", "tian");

freecodecamp/ming/factorial.js

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+function factorial(x) {
+  if (x === 1) {
+    return 1;
+  }
+  return x * factorial(x - 1);
+}
+
+function factorial1(x) {
+  console.time("factorial test");
+  let result = 1;
+  for (let i = 1; i <= x; i++) {
+    result = result * i;
+  }
+  console.timeEnd("factorial test");
+  return result;
+}
+
+// console.log(factorial(10000));
+console.log(factorial1(10000));

freecodecamp/ming/mutation.js

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+function mutation(arr) {
+  var firstString = arr[0].toLowerCase();
+  var secondString = arr[1].toLowerCase();
+  var letterIsInWord = true;
+  for (var x1 in secondString) {
+    if (letterIsInWord) {
+      for (var x2 in firstString) {
+        if (secondString[x1] === firstString[x2]) {
+          letterIsInWord = true;
+          break;
+        } else {
+          letterIsInWord = false;
+          continue;
+        }
+      }
+    } else {
+      break;
+    }
+  }
+  return letterIsInWord;
+}
+
+console.log(mutation(["marry", "rry"]));

projects/todoApp/README.md

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+## Building a todo app
+
+Sections 
+1) Building the front end
+   3) HTML 
+      1) Input box
+      2) Dropdown box
+      3) List of todos
+   4) CSS
+      1) Styling the code
+   5) Javascript / Vuejs
+      1) Showing my completed todos
+      2) Showing my pending todos
+      3) Showing my deleted todos
+
+2) Deploying it to the cloud
+   1) Hosting your app on digitalocean
+
+3) Integrating it to a database
+   1) Google Firebase
+
+4) Adding more cool features 
+   1) Login / logout
+