Completed 1-5 & 7

Author: CurmudJim

01 - JavaScript Drum Kit/index-START.html

@@ -59,6 +59,24 @@
 
 <script>
 
+  function playSound(e){
+    const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+    const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+    if (!audio) return; // stop the function from running all together
+    audio.currentTime = 0; // rewind to start
+    audio.play();
+    key.classList.add('playing');
+  }
+
+  function removeTransition(e) {
+    if (e.propertyName !== 'transform') return; // skip it if not a transform
+    this.classList.remove('playing');
+  }
+
+  const keys = document.querySelectorAll('.key');
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+  window.addEventListener('keydown', playSound);
+
 </script>
 
 

02 - JS and CSS Clock/index-START.html

@@ -62,12 +62,46 @@
       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);
+    }
+
+    .second-hand {
+      height: 4px;
+      background-color: rgba(255,0,0,.25);
+    }
+
+    .min-hand {
+      background-color: rgba(255,255,0,.25);
+    }
+
+    .hour-hand {
+      height: 10px;
+      background-color: rgba(255,0,255,.25);
     }
 
   </style>
 
   <script>
+    const hourHand = document.querySelector('.hour-hand');
+    const minHand = document.querySelector('.min-hand');
+    const secondHand = document.querySelector('.second-hand');
 
+    function setDate() {
+      const now = new Date();
+      const hours = now.getHours();
+      const mins = now.getMinutes();
+      const seconds = now.getSeconds();
+      const hoursDegrees = ((hours / 12) * 360) + 90;
+      const minsDegrees = ((mins / 60) * 360) + 90;
+      const secondsDegrees = ((seconds / 60) * 360) + 90;
+      hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+      minHand.style.transform = `rotate(${minsDegrees}deg)`;
+      secondHand.style.transform = `rotate(${secondsDegrees}deg)`;
+    }
+    setInterval(setDate, 1000);
 
   </script>
 </body>

03 - CSS Variables/index-START.html

@@ -22,6 +22,22 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
 
   <style>
 
+    :root {
+      --base: #ffc600;
+      --spacing: 10px;
+      --blur: 10px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .hl {
+      color: var(--base);
+    }
+
     /*
       misc styles, nothing to do with CSS variables
     */
@@ -45,6 +61,16 @@ <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)
+    }
+
+    inputs.forEach(input => input.addEventListener('change', handleUpdate));
+    inputs.forEach(input => input.addEventListener('mousemove', handleUpdate));
   </script>
 
 </body>

04 - Array Cardio Day 1/index-START.html

@@ -31,29 +31,71 @@
 
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    const fifteen = inventors.filter(inventor => (inventor.year >= 1500 && inventor.year < 1600));
+
+    console.table(fifteen);
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors' first and last names
 
+    const fullNames = inventors.map(inventor => `${inventor.first} ${inventor.last}`);
+
+    console.log(fullNames);
+
+
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
 
+    const ordered = inventors.sort((a,b) => a.year > b.year ? 1 : -1);
+    console.table(ordered);
+
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
 
+    const totalYears = inventors.reduce((total,inventor) => {
+      return total + (inventor.passed - inventor.year);
+    }, 0);
+
+    console.log(totalYears);
+
     // 5. Sort the inventors by years lived
+    const oldest = inventors.sort((a,b) => a.passed - a.year <= b.passed - b.year ? 1 : -1);
+    console.table(oldest);
+
 
     // 6. create a list of Boulevards in Paris that contain 'de' anywhere in the name
     // https://en.wikipedia.org/wiki/Category:Boulevards_in_Paris
 
+    // const category = document.querySelector('.mw-category');
+    // const links = Array.from(category.querySelectorAll('a'));
+    //
+    // const de = links
+    //             .map(link => link.textContent)
+    //             .filter(streetName => streetName.includes('de '));
 
     // 7. sort Exercise
     // Sort the people alphabetically by last name
 
+    const alpha = people.sort((lastOne,nextOne) => {
+      const [alast, afirst] = lastOne.split(", ");
+      const [blast, bfirst] = nextOne.split(", ");
+      return alast > blast ? 1 : -1;
+    });
+
+    console.log(alpha);
+
     // 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;
+    }, {});
+
   </script>
 </body>
 </html>

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;
     }
 
 
@@ -50,12 +56,35 @@
     .panel4 { background-image:url(https://source.unsplash.com/ITjiVXcwVng/1500x1500); }
     .panel5 { background-image:url(https://source.unsplash.com/3MNzGlQM7qs/1500x1500); }
 
+/* flex items */
     .panel > * {
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      /* border: 1px solid red; */
+      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 +96,7 @@
     }
 
     .panel.open {
+      flex: 5;
       font-size:40px;
     }
 
@@ -102,6 +132,20 @@
   </div>
 
   <script>
+    const panels = document.querySelectorAll('.panel');
+
+    function toggleOpen() {
+      this.classList.toggle('open');
+    }
+
+    function toggleActive(e) {
+      if(e.propertyName.includes('flex')) {
+        this.classList.toggle('open-active');
+      }
+    }
+
+    panels.forEach(panel => panel.addEventListener('click', toggleOpen ));
+    panels.forEach(panel => panel.addEventListener('transitionend', toggleActive ));
 
   </script>
 

07 - Array Cardio Day 2/index-START.html

@@ -26,16 +26,36 @@
 
     // Some and Every Checks
     // Array.prototype.some() // is at least one person 19 or older?
+    const isAdult = people.some(person => ((new Date()).getFullYear()) - person.year >= 19 );
+
+    console.log({isAdult});
     // Array.prototype.every() // is everyone 19 or older?
+    const allAdult = people.every(person => ((new Date()).getFullYear()) - person.year >= 19 );
 
+    console.log({allAdult});
     // 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
 
+    const comment = comments.find(comment => (comment.id === 823423));
+
+    console.log({comment});
+
     // Array.prototype.findIndex()
     // Find the comment with this ID
     // delete the comment with the ID of 823423
 
+    const index = comments.findIndex(comment => (comment.id === 542328))
+
+    console.log(index);
+
+    // comments.splice(index, 1);
+
+    const newComments = [
+      ...comments.slice(0, index),
+      ...comments.slice(index + 1)
+    ];
+
   </script>
 </body>
 </html>