John Nweke

.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+    "editor.fontFamily": "Fantasque Sans Mono, Hack, Envy Code R VS, Menlo, OperatorMono-Book, SF Pro, Inconsolata, Anonymous Pro, Monaco, 'Courier New', monospace",
+    "editor.fontLigatures": true,
+    "editor.fontSize": 15,
+    "terminal.integrated.fontFamily": "Hack, Envy Code R VS, Menlo, OperatorMono-Book, SF Pro, Inconsolata, Anonymous Pro, Monaco, 'Courier New', monospace",
+    "terminal.integrated.fontSize": 11
+}

assignments/array-methods.js

@@ -58,28 +58,77 @@ const runners = [
 // ==== Challenge 1: Use .forEach() ====
 // The event director needs both the first and last names of each runner for their running bibs. Combine both the first and last names and populate a new array called `fullNames`. This array will contain just strings.
 let fullNames = [];
+runners.forEach(function (runnerObj){
+  return fullNames.push(`${runnerObj.first_name} ${runnerObj.last_name}`);
+});
 console.log(fullNames);
 
 // ==== Challenge 2: Use .map() ====
 // The event director needs to have all the runners' first names in uppercase because the director BECAME DRUNK WITH POWER. Populate an array called `firstNamesAllCaps`. This array will contain just strings.
 let firstNamesAllCaps = [];
+firstNamesAllCaps = runners.map(function(runnerObj){
+  return runnerObj.first_name.toUpperCase();
+});
 console.log(firstNamesAllCaps);
 
 // ==== Challenge 3: Use .filter() ====
 // The large shirts won't be available for the event due to an ordering issue. We need a filtered version of the runners array, containing only those runners with large sized shirts so they can choose a different size. This will be an array of objects.
 let runnersLargeSizeShirt = [];
+runnersLargeSizeShirt = runners.filter(function(runnerObj){
+  if (runnerObj.shirt_size === 'L' || runnerObj.shirt_size === 'XL' || runnerObj.shirt_size === '2XL' || runnerObj.shirt_size === '3XL' || runnerObj.shirt_size === '4XL') {
+    return true;
+  }
+});
+
 console.log(runnersLargeSizeShirt);
 
 // ==== Challenge 4: Use .reduce() ====
 // The donations need to be tallied up and reported for tax purposes. Add up all the donations and save the total into a ticketPriceTotal variable.
 let ticketPriceTotal = 0;
+//Use Map to extract the donations to a new array
+runnerDonations = runners.map(function(runnerObj){
+  return runnerObj.donation;
+});
+//Use reduce to tally up the new array
+ticketPriceTotal = runnerDonations.reduce(function(accumulator, currentValue){
+  return (accumulator + currentValue);
+});
+//Print out the solution
 console.log(ticketPriceTotal);
 
 // ==== Challenge 5: Be Creative ====
 // Now that you have used .forEach(), .map(), .filter(), and .reduce().  I want you to think of potential problems you could solve given the data set and the 5k fun run theme.  Try to create and then solve 3 unique problems using one or many of the array methods listed above.
 
-// Problem 1
+// Problem 1: Create Runners Full Names and Donations in a string
+
+let fullNameAndDonations =[];
+runners.forEach(runnerObj => {
+ fullNameAndDonations.push(`${runnerObj.first_name} ${runnerObj.last_name} gave $${runnerObj.donation}.`);
+});
+//Print out 
+console.log(fullNameAndDonations);
 
 // Problem 2
+//Big Givers: Filter every Runner who gave above $200 so we can send them a personalized Thank You Card.
+let bigDonors = runners.filter(runnerObj => runnerObj.donation >= 200);
+//Print out
+console.log(bigDonors);
+
+// Problem 3 
+//List out all the companies and find out how many runners came from each Company
+//String template:  ____ people from  ____ company participated. 
+let runnerCompanies = runners
+                            .map(runnerObj => runnerObj.company_name)
+                            //Sorting all Companies alphabetically 
+                            .sort();
+//Print out
+console.log (runnerCompanies);  
+//Counter for Each Company
+let runnerCompanyNumbers = runnerCompanies.forEach(runnerObj => {
+//if a===b, add 1;
+//else skip to next and resume counter
+});
+
+
+
 
-// Problem 3

assignments/callbacks.js

@@ -2,7 +2,7 @@
 
 const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
 
-/* 
+ /*
 
   // GIVEN THIS PROBLEM:
 
@@ -38,27 +38,59 @@ const items = ['Pencil', 'Notebook', 'yo-yo', 'Gum'];
   console.log(test2); // "this Pencil is worth a million dollars!"
 */
 
-
+//My CODE STARTS HERE
 function getLength(arr, cb) {
   // getLength passes the length of the array into the callback.
-}
+  cb(arr.length);
+};
+
+
+getLength(items, (lengthoflist) => {
+  console.log(lengthoflist);
+});
+
+// TEST NOT WORKING!
+// const test4 = showLength (items, getLength) {
+//   return `${getLength} is how long ${items} array is`;
+// }
+// console.log(test4);
 
 function last(arr, cb) {
   // last passes the last item of the array into the callback.
-}
+  return cb(arr[arr.length-1]);
+};
 
 function sumNums(x, y, cb) {
   // sumNums adds two numbers (x, y) and passes the result to the callback.
-}
+  return cb(x + y); 
+};
 
 function multiplyNums(x, y, cb) {
   // multiplyNums multiplies two numbers and passes the result to the callback.
-}
+  return cb(x * y);
+};
 
 function contains(item, list, cb) {
   // contains checks if an item is present inside of the given array/list.
   // Pass true to the callback if it is, otherwise pass false.
-}
+
+  // TRIED USING A FILTER 
+  // function cb = list.filter((itemIterator)
+  // {return true
+  // });
+
+  function cb (item, list) {
+    for (i = 0; i < list.length; i++) {
+      if (list[i] === item){
+        return true;
+      } else {
+        return false;
+      }// End of If Statement
+    }// End of For Loop
+  }; //end of Callback
+}; // end of main funtion
+
+
 
 /* STRETCH PROBLEM */
 
@@ -67,3 +99,5 @@ function removeDuplicates(array, cb) {
   // Pass the duplicate free array to the callback function.
   // Do not mutate the original array.
 }
+
+//Chech Arrayzing.

assignments/closure.js

@@ -4,6 +4,13 @@
 // that manipulates variables defined in the outer scope.
 // The outer scope can be a parent function, or the top level of the script.
 
+ let dance = function (partner1, partner2, typeOfDance) {
+    //  partner1 = function () {
+    //    return `I am ${partner1}!`;
+    //     };
+     return `I am ${partner2}, and I don't like ${typeOfDance}ing with ${partner1}!`; 
+    };
+ console.log (dance ('Timothy', 'Elizabeth', 'waltz'));
 
 /* STRETCH PROBLEMS, Do not attempt until you have completed all previous tasks for today's project files */
 
@@ -12,14 +19,25 @@
 const counterMaker = () => {
   // IMPLEMENTATION OF counterMaker:
   // 1- Declare a `count` variable with a value of 0. We will be mutating it, so declare it using `let`!
+  let count = 0;
   // 2- Declare a function `counter`. It should increment and return `count`.
+  let counter = () => {
+    return count++;
+  };
   //      NOTE: This `counter` function, being nested inside `counterMaker`,
   //      "closes over" the `count` variable. It can "see" it in the parent scope!
   // 3- Return the `counter` function.
+  return counter;
 };
-// Example usage: const myCounter = counterMaker();
-// myCounter(); // 1
-// myCounter(); // 2
+//NO ERROR BUT NOT WORKING!
+let myCounter = counterMaker();
+myCounter();
+myCounter();
+myCounter();
+// counterMaker();
+// counterMaker();
+//myCounter(); // 1
+//myCounter(); // 2
 
 // ==== Challenge 3: Make `counterMaker` more sophisticated ====
 // It should have a `limit` parameter. Any counters we make with `counterMaker`
@@ -28,6 +46,18 @@ const counterMaker = () => {
 // ==== Challenge 4: Create a counter function with an object that can increment and decrement ====
 const counterFactory = () => {
   // Return an object that has two methods called `increment` and `decrement`.
+  return {
+    increment: function() {
+      counter++;
+      return counter;
+    },
+    decrement: function() {
+      counter --;
+      return counter;
+    }
+  };
   // `increment` should increment a counter variable in closure scope and return it.
   // `decrement` should decrement the counter variable and return it.
 };
+
+console.log(counterFactory);