diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
index 4070d32767..ba1eef079b 100644
--- a/01 - JavaScript Drum Kit/index-START.html	
+++ b/01 - JavaScript Drum Kit/index-START.html	
@@ -58,7 +58,24 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+function playSound(e){
+  const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+  console.log(audio);
+  const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+  if (!audio) return;
+  audio.currentTime = 0;
+  audio.play();
+  key.classList.add('playing');
+}
 
+function removeTransition(e){
+  if (e.propertyName !== 'transform') return;
+  this.classList.remove('playing');
+}
+
+const keys = document.querySelectorAll('.key');
+keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+window.addEventListener('keydown', playSound);
 </script>
 
 
diff --git a/02 - JS and CSS Clock/index-START.html b/02 - JS and CSS Clock/index-START.html
index ee7eaefb1f..fbbf4b96c8 100644
--- a/02 - JS and CSS Clock/index-START.html	
+++ b/02 - JS and CSS Clock/index-START.html	
@@ -62,12 +62,37 @@
       background:black;
       position: absolute;
       top:50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition: all 0.05s;
+      transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
     }
 
   </style>
 
   <script>
+  const secondHand = document.querySelector('.second-hand');
+  const minsHand = document.querySelector('.min-hand');
+  const hourHand = document.querySelector('.hour-hand');
 
+  function setDate() {
+    const now = new Date();
+
+    const seconds = now.getSeconds();
+    const secondsDegrees = ((seconds / 60) * 360) + 90;
+    secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+
+    const mins = now.getMinutes();
+    const minsDegrees = ((mins / 60)*360) +90;
+    minsHand.style.transform = `rotate(${minsDegrees}deg)`;
+
+    const hours = now.getHours();
+    const hoursDegrees = ((hours / 12)*360) +90;
+    hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+
+    console.log(hours);
+  }
+  setInterval(setDate, 1000);
 
   </script>
 </body>
diff --git a/03 - CSS Variables/index-START.html b/03 - CSS Variables/index-START.html
index 8a4f0d556e..d595b552b8 100644
--- a/03 - CSS Variables/index-START.html	
+++ b/03 - CSS Variables/index-START.html	
@@ -21,7 +21,19 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
 
   <style>
-
+    :root {
+      --base:#ffc600;
+      --blur:3px;
+      --spacing:20px;
+    }
+    img{
+      padding: var(--spacing);
+      filter: blur(var(--blur));
+      background: var(--base);
+    }
+    .hl{
+      color: var(--base);
+    }
     /*
       misc styles, nothing to do with CSS variables
     */
@@ -45,6 +57,18 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   </style>
 
   <script>
+
+  const inputs = document.querySelectorAll('.controls input');
+
+  function handleUpdate(){
+    const suffix = this.dataset.sizing || '';
+    document.documentElement.style.setProperty(`--${this.name}`, this.value + suffix)
+    console.log(this.name);
+  }
+
+  inputs.forEach(input => input.addEventListener('change',handleUpdate));
+  inputs.forEach(input => input.addEventListener('mousemove',handleUpdate));
+
   </script>
 
 </body>
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
index eec0ffc31d..6029565197 100644
--- a/04 - Array Cardio Day 1/index-START.html	
+++ b/04 - Array Cardio Day 1/index-START.html	
@@ -31,29 +31,83 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    console.log("1. Filter the list of inventors for those who were born in the 1500's");
+    const fifteen =  inventors.filter(function(inventor){
+      if (inventor.year >= 1500 && inventor.year < 1600) {
+        return true;
+      }
+    });
+    console.table(fifteen);
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
+    console.log("2. Give us an array of the inventors: First & last name");
+    const fullNames = inventors.map(inventor => inventor.first + ' ' + inventor.last);
+    console.table(fullNames);
 
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
+    console.log("3. Sort the inventors by birthdate: oldest to youngest");
+    const birth = inventors.sort(function(a, b){
+      if (a.year > b.year) {
+        return 1;
+      }else{
+        return -1;
+      }
+    });
+    console.table(birth);
 
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
+    console.log("4. How many years did all the inventors live?");
+    const lived = inventors.reduce((total,inventor) => {
+      return total + (inventor.passed - inventor.year);
+    },0);
+    console.log(lived);
 
     // 5. Sort the inventors by years lived
+    console.log("5. Sort the inventors by years lived");
+    const sortLived = inventors.sort(function(a, b){
+      if ((a.passed - a.year)> (b.passed - b.year)) {
+        return 1;
+      }else {
+        return -1;
+      }
+    });
+    console.table(sortLived);
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
-
+    /*console.log("6. Create a list of Boulevards in Paris that contain 'de' anywhere in the name");
+    const category = document.querySelector('mw-category');
+    const links = Array.from(category.querySelectorAll('a'));
+    const de = .map(link => link.textContent)
+               .filter(streetName => streetName.includes('de'));*/
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
-
+    console.log("7. Sort the people alphabetically by last name");
+    const alphabet = inventors.sort(function(a, b){
+      if (a.last > b.last) {
+        return 1;
+      }else{
+        return -1;
+      }
+    });
+    console.table(alphabet);
     // 8. Reduce Exercise
     // Sum up the instances of each of these
     const data = ['car', 'car', 'truck', 'truck', 'bike', 'walk', 'car', 'van', 'bike', 'walk', 'car', 'van', 'car', 'truck' ];
 
+    const transportation = data.reduce(function(obj, item){
+      if (!obj[item]) {
+        obj[item] = 0;
+      }
+      obj[item]++;
+      return obj;
+    },{});
+    console.log(transportation);
+
   </script>
 </body>
-</html>
+</html>
\ No newline at end of file
diff --git a/05 - Flex Panel Gallery/index-START.html b/05 - Flex Panel Gallery/index-START.html
index c6509bed02..94e917a009 100644
--- a/05 - Flex Panel Gallery/index-START.html	
+++ b/05 - Flex Panel Gallery/index-START.html	
@@ -24,6 +24,7 @@
     .panels {
       min-height:100vh;
       overflow: hidden;
+      display: flex;
     }
 
     .panel {
@@ -41,6 +42,11 @@
       font-size: 20px;
       background-size:cover;
       background-position:center;
+      flex: 1;
+      justify-content: center;
+      align-items: center;
+      display: flex;
+      flex-direction: column; 
     }
 
 
@@ -54,8 +60,17 @@
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      flex: 1 0 auto;
+      display: flex;
+      justify-content: center;
+      align-items: center; 
     }
 
+    .panel > *:first-child{transform: translateY(-100%);}
+    .panel.open-active > *:first-child{transform: translateY(0);}
+    .panel > *:last-child{transform: translateY(100%);}
+    .panel.open-active > *:last-child{transform: translateY(0);}
+
     .panel p {
       text-transform: uppercase;
       font-family: 'Amatic SC', cursive;
@@ -67,6 +82,7 @@
     }
 
     .panel.open {
+      flex: 5;
       font-size:40px;
     }
 
@@ -102,7 +118,16 @@
   </div>
 
   <script>
-
+  const panels = document.querySelectorAll('.panel');
+  //const active = document.querySelectorAll('.panel.open-active');
+  function toggleOpen(){
+    this.classList.toggle('open');
+  }
+  function display(){
+    this.classList.toggle('open-active');
+  }
+  panels.forEach(panel => panel.addEventListener('click', toggleOpen));
+  panels.forEach(panel => panel.addEventListener('click', display));
   </script>
 
 
diff --git a/06 - Type Ahead/index-START.html b/06 - Type Ahead/index-START.html
index 1436886918..8896a6baea 100644
--- a/06 - Type Ahead/index-START.html	
+++ b/06 - Type Ahead/index-START.html	
@@ -17,6 +17,43 @@
 <script>
 const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
 
+const cities = [];
+fetch(endpoint)
+  .then(blob => blob.json())
+  .then(data => cities.push(...data))
+
+function findMatches(wordToMatch,cities){
+  return cities.filter(place => {
+    const regex = new RegExp(wordToMatch,'gi');
+    return place.city.match(regex) || place.state.match(regex);
+  });
+}
+
+function numberWithCommas(x) {
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+}
+
+function displayMatches(){
+  const matchArray = findMatches(this.value,cities);
+  const html = matchArray.map(place => {
+    const regex = new RegExp(this.value, 'gi');
+    const cityName = place.city.replace(regex,`<span class="h1"> ${this.value} </span>`);
+    const stateName = place.state.replace(regex,`<span class="h1"> ${this.value} </span>`);
+  return `
+    <li> <span class="name"> ${cityName}, ${stateName} </span>
+          <span class="population"> ${numberWithCommas(place.population)} </span>
+    </li>
+  `
+  }).join('');
+  suggestions.innerHTML = html;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('change', displayMatches);
+searchInput.addEventListener('keyup', displayMatches);
+
 </script>
   </body>
 </html>
diff --git a/07 - Array Cardio Day 2/index-START.html b/07 - Array Cardio Day 2/index-START.html
index 969566ff78..7a2d43bfe8 100644
--- a/07 - Array Cardio Day 2/index-START.html	
+++ b/07 - Array Cardio Day 2/index-START.html	
@@ -26,15 +26,53 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19 or older?
+    console.log('Is at least one person 19 or older?');
+    const older = people.some(function(person){
+      const currentYear = (new Date()).getFullYear();
+      if (currentYear - person.year >= 19) {
+        return true;
+      }
+    });
+    console.log({older});
+
     // Array.prototype.every() // is everyone 19 or older?
+    console.log('Is everyone 19 or older?');
+    const everyoneOlder = people.every(function(person){
+      const currentYear = (new Date()).getFullYear();
+      if (currentYear - person.year >= 19) {
+        return true;
+      }
+    });
+    console.log({everyoneOlder});
 
     // Array.prototype.find()
     // Find is like filter, but instead returns just the one you are looking for
     // find the comment with the ID of 823423
+    console.log('Find the comment with the ID 823423');
+    const find = comments.find(function(people){
+      if(people.id == 823423){
+        return true;
+      }
+    });
+    console.log(find);
 
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
+    console.log('Find the comment with this ID');
+    console.log('Delete the comment with the ID of 823423');
+    const findIndex = comments.findIndex(function(people){
+      if(people.id == 823423){
+        return true;
+      }
+    });
+    console.log(findIndex);
+    const newComments = [
+      ...comments.slice(0, findIndex),
+      ...comments.slice(findIndex + 1)
+    ];
+
+
 
   </script>
 </body>
diff --git a/08 - Fun with HTML5 Canvas/index-START.html b/08 - Fun with HTML5 Canvas/index-START.html
index 37c148df07..46e984b329 100644
--- a/08 - Fun with HTML5 Canvas/index-START.html	
+++ b/08 - Fun with HTML5 Canvas/index-START.html	
@@ -5,8 +5,53 @@
   <title>HTML5 Canvas</title>
 </head>
 <body>
-<canvas id="draw" width="800" height="800"></canvas>
+<canvas id="draw" width="1000" height="1000"></canvas>
 <script>
+const canvas = document.querySelector('#draw');
+const ctx = canvas.getContext('2d');
+canvas.width = window.innerWidth;
+canvas.height = window.innerHeight;
+//ctx.strokeStyle = '#BADA55';
+ctx.lineJoin = 'round';
+ctx.lineCap = 'round';
+ctx.lineWidth = 100;
+
+let isDrawing = false;
+let lastX = 0;
+let lastY = 0;
+let hue = 0;
+let direction = true;
+function draw(e){
+	if (!isDrawing) return;
+	console.log(e);
+	//cambio de color
+	ctx.strokeStyle = `hsl(${hue}, 100%, 50%)`;
+	ctx.beginPath();
+	ctx.moveTo(lastX, lastY);
+	ctx.lineTo(e.offsetX, e.offsetY);
+	ctx.stroke();
+	[lastX, lastY] = [e.offsetX, e.offsetY];
+	hue++;
+	if (hue >= 360) {
+   		hue = 0;
+  	}
+  	if (ctx.lineWidth >= 100 || ctx.lineWidth <= 1) {
+    	direction = !direction;
+  	}
+	if(direction) {
+    	ctx.lineWidth++;
+  	} else {
+    	ctx.lineWidth--;
+  	}
+
+}
+canvas.addEventListener('mousedown', (e) =>{
+	isDrawing = true;
+	[lastX, lastY] = [e.offsetX, e.offsetY];	
+});
+canvas.addEventListener('mousemove', draw);
+canvas.addEventListener('mouseup', () => isDrawing = false);
+canvas.addEventListener('mouseout', () => isDrawing = false);
 </script>
 
 <style>
diff --git a/09 - Dev Tools Domination/index-START.html b/09 - Dev Tools Domination/index-START.html
index 196fffd719..0dee4e56db 100644
--- a/09 - Dev Tools Domination/index-START.html	
+++ b/09 - Dev Tools Domination/index-START.html	
@@ -13,33 +13,68 @@
 
     function makeGreen() {
       const p = document.querySelector('p');
-      p.style.color = '#BADA55';
+      p.style.color = '#00FF00';
       p.style.fontSize = '50px';
     }
 
     // Regular
+    console.log('Hola');
 
     // Interpolated
+    console.log('Esto es una %s','💩');
 
     // Styled
+    console.log('%c Texto estilizado','font-size:50px');
 
     // warning!
+    console.warn('Mensaje de cuidado');
 
     // Error :|
-
+    console.error('Mensaje de error');
     // Info
-
+    console.info('Mensaje informativo');
     // Testing
-
+    const p = document.querySelector('p');
+    console.assert(p.classList.contains('ouch'), 'That is wrong!');
     // clearing
+    console.clear();
 
     // Viewing DOM Elements
+     console.log(p);
+    console.dir(p);
 
     // Grouping together
+    dogs.forEach(dog => {
+      console.groupCollapsed(`${dog.name}`);
+      console.log(`This is ${dog.name}`);
+      console.log(`${dog.name} is ${dog.age} years old`);
+      console.log(`${dog.name} is ${dog.age * 7} dog years old`);
+      console.groupEnd(`${dog.name}`);
+    });
 
     // counting
+    console.count('Wes');
+    console.count('Wes');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Wes');
+    console.count('Steve');
+    console.count('Wes');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Steve');
+    console.count('Steve');
 
     // timing
+    fetch('https://api.github.com/users/wesbos')
+      .then(data => data.json())
+      .then(data => {
+        console.timeEnd('fetching data');
+        console.log(data);
+      });
+
+    console.table(dogs);
 
   </script>
 </body>
diff --git a/10 - Hold Shift and Check Checkboxes/index-START.html b/10 - Hold Shift and Check Checkboxes/index-START.html
index a02071ff00..39eec5feee 100644
--- a/10 - Hold Shift and Check Checkboxes/index-START.html	
+++ b/10 - Hold Shift and Check Checkboxes/index-START.html	
@@ -99,6 +99,30 @@
   </div>
 
 <script>
+  const checkboxes = document.querySelectorAll('.inbox input[type = "checkbox"]');
+  console.log(checkboxes);
+
+  let lastChecked; 
+
+
+  function handleCheck(e){
+    let inBetween =  false;
+    if (e.shiftKey && this.checked) {
+      checkboxes.forEach(checkbox => {
+        console.log(checkbox);
+        if (checkbox == this || checkbox == lastChecked) {
+          inBetween = !inBetween;
+        }
+
+        if (inBetween == true) {
+          checkbox.checked = true;
+        }
+      });
+    }
+    lastChecked = this;
+  }
+  checkboxes.forEach(checkbox => checkbox.addEventListener('click', handleCheck));
+
 </script>
 </body>
 </html>
diff --git a/11 - Custom Video Player/scripts.js b/11 - Custom Video Player/scripts.js
index e69de29bb2..c8e9efe91e 100644
--- a/11 - Custom Video Player/scripts.js	
+++ b/11 - Custom Video Player/scripts.js	
@@ -0,0 +1,47 @@
+/* Componentes */
+const player = document.querySelector('.player');
+const video = player.querySelector('.viewer');
+const progress = player.querySelector('.progress');
+const progressBar = player.querySelector('.progress__filled');
+const toggle = player.querySelector('.toggle');
+const skipButtons = player.querySelectorAll('[data-skip]');
+const ranges = player.querySelectorAll('.player__slider');
+
+/* Funciones */
+function togglePlay(){
+	const method = video.paused ? 'play' : 'pause';
+	video[method]();
+	
+}
+function changeButton(){
+	const icon = this.paused ? '►' : '❚ ❚';
+	 toggle.textContent = icon;
+}
+function skip(){
+	video.currentTime += parseFloat(this.dataset.skip);
+}
+function handleRangeUpdate(){
+	video[this.name] = this.value;
+}
+function handleProgress(){
+	const percent = (video.currentTime / video.duration) * 100;
+	progressBar.style.flexBasis = `${percent}%`;
+}
+function scrub(e) {
+  const scrubTime = (e.offsetX / progress.offsetWidth) * video.duration;
+  video.currentTime = scrubTime;
+}
+/* Event Listeners */ 
+video.addEventListener('click', togglePlay);
+video.addEventListener('play', changeButton);
+video.addEventListener('pause', changeButton);
+video.addEventListener('timeupdate', handleProgress);
+toggle.addEventListener('click', togglePlay);
+skipButtons.forEach(button => button.addEventListener('click', skip)); 
+ranges.forEach(range => range.addEventListener('change', handleRangeUpdate));
+ranges.forEach(range => range.addEventListener('mousemove', handleRangeUpdate));
+let mousedown = false;
+progress.addEventListener('click', scrub);
+progress.addEventListener('mousemove', (e) => mousedown && scrub(e));
+progress.addEventListener('mousedown', () => mousedown = true);
+progress.addEventListener('mouseup', () => mousedown = false);
\ No newline at end of file
diff --git a/12 - Key Sequence Detection/index-START.html b/12 - Key Sequence Detection/index-START.html
index 8cab786140..0941d9d4bd 100644
--- a/12 - Key Sequence Detection/index-START.html	
+++ b/12 - Key Sequence Detection/index-START.html	
@@ -1,3 +1,4 @@
+
 <!DOCTYPE html>
 <html lang="en">
 <head>
@@ -7,6 +8,18 @@
 </head>
 <body>
 <script>
+const pressed = [];
+const secretCode = 'pablo';
+window.addEventListener('keyup', (e) => {
+	console.log(e.key);
+	pressed.push(e.key);
+	pressed.splice(-secretCode.length -1, pressed.length - secretCode.length);
+	console.log(pressed);
+	if (pressed.join('').includes('secretCode')) {
+		console.log('Ding Ding!');
+		cornify.add();
+	}
+});
 </script>
 </body>
 </html>
diff --git a/13 - Slide in on Scroll/index-START.html b/13 - Slide in on Scroll/index-START.html
index 0b9fb8fccb..f0e410ee5d 100644
--- a/13 - Slide in on Scroll/index-START.html	
+++ b/13 - Slide in on Scroll/index-START.html	
@@ -57,6 +57,20 @@ <h1>Slide in on Scroll</h1>
         if (callNow) func.apply(context, args);
       };
     }
+    const sliderImage = document.querySelectorAll('.slide-in');
+    function checkSlide(){
+      sliderImages.forEach(sliderImage => {
+        const slideInAt = (window.scrollY + window.innerHeight) - sliderImage.height / 2;
+        const imageBottom = sliderImage.offsetTop + sliderImage.height;
+        const isHalfShown = slideInAt > sliderImage.offsetTop;
+        const isNotScrolledPast = window.scrollY < imageBottom;
+        if (isHalfShown && isNotScrolledPast) {
+          sliderImage.classList.add('active');
+        } else {
+          sliderImage.classList.remove('active');
+        }
+      });
+    }
 
   </script>
 
diff --git a/14 - JavaScript References VS Copying/index-START.html b/14 - JavaScript References VS Copying/index-START.html
index f978b7446f..835bf7b079 100644
--- a/14 - JavaScript References VS Copying/index-START.html	
+++ b/14 - JavaScript References VS Copying/index-START.html	
@@ -8,14 +8,25 @@
 
   <script>
     // start with strings, numbers and booleans
-
+    /*let age = 100;
+    let age2 = age;
+    console.log(age, age2);
+    age = 200;
+    console.log(age, age2);
+
+    let name = 'Wes';
+    let name2 = name;
+    console.log(name, name2);
+    name = 'wesley';
+    console.log(name, name2);*/ 
     // Let's say we have an array
     const players = ['Wes', 'Sarah', 'Ryan', 'Poppy'];
 
     // and we want to make a copy of it.
-
+    const team = players;
+    console.log(players, team);
     // You might think we can just do something like this:
-
+    //team[3] = 'Luz';
     // however what happens when we update that array?
 
     // now here is the problem!
@@ -25,12 +36,18 @@
     // Why? It's because that is an array reference, not an array copy. They both point to the same array!
 
     // So, how do we fix this? We take a copy instead!
-
+    const team2 = players.slice();
     // one way
 
     // or create a new array and concat the old one in
+    const team3 = [].concat(players);
 
     // or use the new ES6 Spread
+    const team4 = [...players];
+    team4[3] = 'asdfasdas';
+    console.log(team4);
+
+    const team5 = Array.from(players);
 
     // now when we update it, the original one isn't changed
 
@@ -43,12 +60,26 @@
     };
 
     // and think we make a copy:
-
-    // how do we take a copy instead?
+    const captain = Object.assign({},person, { number: 99 }, { age: 10});
+    console.log(captain);
+    //make a copy instead?
 
     // We will hopefully soon see the object ...spread
+    //const cap2 = {...person};
 
     // Things to note - this is only 1 level deep - both for Arrays and Objects. lodash has a cloneDeep method, but you should think twice before using it.
+    const pablo = {
+      name: 'Pablo',
+      age: 20,
+      social:{
+        twitter: '@ahorasoyeinar',
+        facebook: 'Pablo Contreras'
+      }
+    };
+    console.clear();
+    console.log(pablo);
+    const dev = new Object.assign({},pablo);
+    const dev2 = JSON.parse(JSON.stringify(pablo));
 
   </script>
 
diff --git a/15 - LocalStorage/index-START.html b/15 - LocalStorage/index-START.html
index d444f1d68b..ee84b6e966 100644
--- a/15 - LocalStorage/index-START.html	
+++ b/15 - LocalStorage/index-START.html	
@@ -28,7 +28,42 @@ <h2>LOCAL TAPAS</h2>
 <script>
   const addItems = document.querySelector('.add-items');
   const itemsList = document.querySelector('.plates');
-  const items = [];
+  const items = JSON.parse(localStorage.getItem('items')) || [];
+  function addItem(e){
+    e.preventDefault();
+    const text = (this.querySelector('[name=item]')).value;
+    const item = {
+      text,
+      done: false
+    };
+    items.push(item);
+    populateList(items, itemsList);
+    localStorage.setItem('items', JSON.stringify(items));
+    this.reset();
+  }
+
+  function populateList(plates = [], platesList){
+    platesList.innerHTML = plates.map((plate, i) => {
+      return `
+      <li>
+        <input type="checkbox" data-index=${i} id="item${i}" ${plate.done ? 'checked' : ''}/>
+        <label for="item${i}"> ${plate.text} </label>
+      </li>
+      `;
+    }).join('');
+  }
+  function toggleDone(e){
+     if (!e.target.matches('input')) return; // skip this unless it's an input
+    const el = e.target;
+    const index = el.dataset.index;
+    items[index].done = !items[index].done;
+    localStorage.setItem('items', JSON.stringify(items));
+    populateList(items, itemsList);
+  }
+
+  addItems.addEventListener('submit', addItem);
+  itemsList.addEventListener('click', toggleDone);
+  populateList(items, itemsList);
 
 </script>
 
diff --git a/15 - LocalStorage/style.css b/15 - LocalStorage/style.css
index ea5bab179c..b9ca724e53 100644
--- a/15 - LocalStorage/style.css	
+++ b/15 - LocalStorage/style.css	
@@ -59,12 +59,12 @@
     }
 
     .plates input + label:before {
-      content: '⬜️';
+      content: ':(';
       margin-right: 10px;
     }
 
     .plates input:checked + label:before {
-      content: '🌮';
+      content: '(:'
     }
 
     .add-items {
diff --git a/16 - Mouse Move Shadow/index-finished.html b/16 - Mouse Move Shadow/index-finished.html
index 4e8e3fbb1f..4fdc4f81cb 100644
--- a/16 - Mouse Move Shadow/index-finished.html	
+++ b/16 - Mouse Move Shadow/index-finished.html	
@@ -28,7 +28,6 @@ <h1 contenteditable>🔥WOAH!</h1>
     color:black;
   }
 
-
   h1 {
     text-shadow: 10px 10px 0 rgba(0,0,0,1);
     font-size: 100px;
diff --git a/16 - Mouse Move Shadow/index-start.html b/16 - Mouse Move Shadow/index-start.html
index 543cb51eab..dfcf8b453d 100644
--- a/16 - Mouse Move Shadow/index-start.html	
+++ b/16 - Mouse Move Shadow/index-start.html	
@@ -7,7 +7,7 @@
 <body>
 
   <div class="hero">
-    <h1 contenteditable>🔥WOAH!</h1>
+    <h1 contenteditable> HAND CD <3</h1>
   </div>
 
   <style>
@@ -35,6 +35,32 @@ <h1 contenteditable>🔥WOAH!</h1>
   </style>
 
 <script>
+  const hero = document.querySelector('.hero');
+  const text = hero.querySelector('h1');
+  const walk = 500; // 100px
+
+  function shadow(e) {
+    const { offsetWidth: width, offsetHeight: height } = hero;
+    let { offsetX: x, offsetY: y } = e;
+
+    if (this !== e.target) {
+      x = x + e.target.offsetLeft;
+      y = y + e.target.offsetTop;
+    }
+
+    const xWalk = Math.round((x / width * walk) - (walk / 2));
+    const yWalk = Math.round((y / height * walk) - (walk / 2));
+
+    text.style.textShadow = `
+      ${xWalk}px ${yWalk}px 0 rgba(255,0,255,0.7),
+      ${xWalk * -1}px ${yWalk}px 0 rgba(0,255,255,0.7),
+      ${yWalk}px ${xWalk * -1}px 0 rgba(0,255,0,0.7),
+      ${yWalk * -1}px ${xWalk}px 0 rgba(0,0,255,0.7)
+    `;
+
+  }
+
+  hero.addEventListener('mousemove', shadow);
 </script>
 </body>
 </html>
diff --git a/17 - Sort Without Articles/index-START.html b/17 - Sort Without Articles/index-START.html
index 9bbd250a9b..4fe2e844bd 100644
--- a/17 - Sort Without Articles/index-START.html	
+++ b/17 - Sort Without Articles/index-START.html	
@@ -45,8 +45,22 @@
 
 <script>
 const bands = ['The Plot in You', 'The Devil Wears Prada', 'Pierce the Veil', 'Norma Jean', 'The Bled', 'Say Anything', 'The Midway State', 'We Came as Romans', 'Counterparts', 'Oh, Sleeper', 'A Skylit Drive', 'Anywhere But Here', 'An Old Dog'];
+function strip(bandName) {
+  return bandName.replace(/^(a |the |an )/i, '').trim();
+}
+const sortedBands = bands.sort(function (a,b){
+  if(strip(a)>strip(b)){
+    return 1;
+  }else{
+    return -1;
+  }
+});
+document.querySelector('#bands').innerHTML = 
+  sortedBands
+  .map(band => `<li>${band}</li>`)
+  .join('');
 
-
+console.log(sortedBands);
 </script>
 
 </body>
diff --git a/18 - Adding Up Times with Reduce/index-START.html b/18 - Adding Up Times with Reduce/index-START.html
index abdf4c91af..3f5101c093 100644
--- a/18 - Adding Up Times with Reduce/index-START.html	
+++ b/18 - Adding Up Times with Reduce/index-START.html	
@@ -182,6 +182,25 @@
     </li>
   </ul>
 <script>
+  const timeNodes = [...document.querySelectorAll('[data-time]')];
+  const seconds = timeNodes
+      .map(node => node.dataset.time)
+      .map(timeCode => {
+        const[mins, secs] = timeCode.split(':').map(parseFloat);
+        return (mins * 60) + secs;
+        console.log(mins, secs);
+      })
+      .reduce((total, vidSeconds) => total + vidSeconds)
+
+      let secondsLeft = seconds;
+      //const hours = Math.floor(secondsLeft / 3600);
+      const hours = parseInt(secondsLeft / 3600);
+      const minsLeft = secondsLeft % 3600;
+      const mins = parseInt( minsLeft / 60);
+      const secsLeft = minsLeft % 60;
+      //const secs = parseInt(mins / 60);
+      //const mins = Math.floor(secondsLeft / 60);
+      console.log(hours,mins,secsLeft); 
 </script>
 </body>
 </html>