15 challenges of javascript30

Author: Ánderson Méndez Abello

01 - JavaScript Drum Kit/index-START.html

@@ -59,6 +59,35 @@
 
 <script>
 
+function playSound(e){
+
+  const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`)
+  const key = document.querySelector(`div[data-key="${e.keyCode}"]`)
+
+  if(!audio) return; // Escapa todos las teclas que no tengan audio.
+
+  audio.currentTime = 0;
+  audio.play();
+  key.classList.add('playing');
+
+}
+
+function transitionEnd(e){
+
+  if(e.propertyName !== 'transform') return;
+
+  console.log(e.propertyName);
+  console.log(this);
+  this.classList.remove('playing');
+
+}
+
+const keys = document.querySelectorAll('.key');
+keys.forEach(key => key.addEventListener('transitionend', transitionEnd));
+window.addEventListener('keydown', playSound)
+
+
+
 </script>
 
 

01 - JavaScript Drum Kit/style.css

@@ -23,7 +23,7 @@ body,html {
   margin:1rem;
   font-size: 1.5rem;
   padding:1rem .5rem;
-  transition:all .07s;
+  transition:all 1.07s;
   width:100px;
   text-align: center;
   color:white;

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

@@ -61,12 +61,42 @@
       background:black;
       position: absolute;
       top:50%;
+      transform-origin: 100%;
+      transform: rotate(90deg);
+      transition: all .5s;
+      transition-timing-function: cubic-bezier(0.1, 2.7, 0.58, 1);
     }
 
   </style>
 
   <script>
 
+  const secondHand = document.querySelector('.second-hand');
+  const minHand = 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(${secondsDegrees}deg)`;
+      console.log('second: ' + seconds);
+
+      const mins = now.getMinutes();
+      const minsDegrees = ((mins/ 60) * 360) + 90;
+      minHand.style.transform = `rotate(${minsDegrees}deg)`;
+      console.log('mins: ' + mins);
+
+      const hours = now.getHours();
+      const hoursDegrees = ((hours/ 60) * 360) + 90;
+      hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+      console.log('hour: ' + hours);
+
+    }
+
+    setInterval(setDate, 1000)
+
 
   </script>
 </body>

03 - CSS Variables/index-START.html

@@ -9,7 +9,7 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
 
   <div class="controls">
     <label for="spacing">Spacing:</label>
-    <input type="range" name="spacing" min="10" max="200" value="10" data-sizing="px">
+    <input type="range" name="spacing" min="10" max="200" value="10" data-sizing="px" data-andy="andy">
 
     <label for="blur">Blur:</label>
     <input type="range" name="blur" min="0" max="25" value="10" data-sizing="px">
@@ -21,6 +21,22 @@ <h2>Update CSS Variables with <span class='hl'>JS</span></h2>
   <img src="https://source.unsplash.com/7bwQXzbF6KE/800x500">
 
   <style>
+    :root {
+      --base: #ffc600;
+      --spacing: 10px;
+      --blur: 0px;
+    }
+
+    img {
+      padding: var(--spacing);
+      background: var(--base);
+      filter: blur(var(--blur));
+    }
+
+    .hl {
+      color:var(--base);
+    }
+
 
     /*
       misc styles, nothing to do with CSS variables
@@ -53,6 +69,20 @@ <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

@@ -28,28 +28,100 @@
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
 
+    console.log('>> 1');
+    const fifteen = inventors.filter(e => (e.year >= 1499 && e.year <= 1599));
+    console.table(fifteen);
+
     // Array.prototype.map()
     // 2. Give us an array of the inventory first and last names
 
+    console.log('>> 2');
+    const nameFirsts = inventors.map(e => `${e.first} ${e.last}`);
+
+    console.log(nameFirsts);
+
     // Array.prototype.sort()
     // 3. Sort the inventors by birthdate, oldest to youngest
 
+
+    console.log('>> 3');
+    const sortBirthdate = inventors.sort((a, b) => a.year - b.year);
+
+    console.table(sortBirthdate);
+
     // Array.prototype.reduce()
     // 4. How many years did all the inventors live?
 
+    console.log('>> 4');
+    const yearsAllInventors = inventors.reduce(function(a, b){
+      
+      const Byears = b.passed - b.year;
+      return a+Byears; 
+      
+    }, 0);
+    console.log(yearsAllInventors);
+
     // 5. Sort the inventors by years lived
 
+    console.log('>> 5');
+    const oldestToYoungest = inventors.sort(function (a, b){
+
+      const Ayears = a.passed - a.year;
+      const Byears = b.passed - b.year;
+
+      return Byears > Ayears ? 1 : -1;
+        
+    });
+
+    console.table(oldestToYoungest);
+
     // 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
+    console.log('>> 6');
+    const alphabeticallySort = people.sort((a, b) => {
+      const [aLast, aFirst] = a.split(', ');
+      const [bLast, bFirst] = b.split(', ');
+      
+      if(bLast < aLast){
+        return 1;
+      }
+
+      return -1;
+    });
+
+    console.log(alphabeticallySort);
 
     // 8. Reduce Exercise
     // Sum up the instances of each of these
+
+    console.log('>> 8');
     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>

05 - Flex Panel Gallery/index-FINISHED.html

@@ -44,7 +44,6 @@
       background-position:center;
       flex: 1;
       justify-content: center;
-      align-items: center;
       display: flex;
       flex-direction: column;
     }

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;
+      align-items: center;
+      justify-content: center;
+      display: flex;
+      flex-direction: column;
     }
 
 
@@ -54,8 +60,17 @@
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      flex: 1 0 auto;
+      display: flex;
+      align-items: center;
+      justify-content: 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;
     }
 
@@ -108,6 +124,21 @@
 
   <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>
 
 

06 - Type Ahead/index-START.html

@@ -17,6 +17,53 @@
 <script>
 const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
 
+
+const cities = [];
+
+
+var promise = fetch(endpoint);
+
+promise
+  .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 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="hl">${this.value}</span>`);      
+      const stateName = place.state.replace(regex, `<span class="hl">${this.value}</span>`);      
+
+      return `
+        <li>
+          <span class="name">${cityName}, ${stateName}</span>
+          <span class="population">${place.population}</span>
+        </li>
+      `;
+      
+    }).join('');
+
+    suggestions.innerHTML = html;
+
+}
+
+const inputSearch = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+inputSearch.addEventListener('change', displayMatches);
+inputSearch.addEventListener('keyup', displayMatches);
+
 </script>
   </body>
 </html>

06 - Type Ahead/style.css

@@ -22,7 +22,6 @@
       margin: 0;
       text-align: center;
       outline:0;
-      border:0;
       border: 10px solid #F7F7F7;
       width: 120%;
       left: -10%;