Solutions to exercises 1, 2 and beginning of 4

briansieb · briansieb · commit 3e7e82233d96 · 2022-03-20T16:34:58.000-05:00
diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
@@ -9,6 +9,13 @@
 
 
   <div class="keys">
+    <p>
+      <div data-key="54" class="key">
+        <kbd>6</kbd>
+        <span class="sound">tink</span>
+      </div></br></br>
+    </p>
+    <p>
     <div data-key="65" class="key">
       <kbd>A</kbd>
       <span class="sound">clap</span>
@@ -45,6 +52,7 @@
       <kbd>L</kbd>
       <span class="sound">tink</span>
     </div>
+  </p>
   </div>
 
   <audio data-key="65" src="sounds/clap.wav"></audio>
@@ -56,11 +64,32 @@
   <audio data-key="74" src="sounds/snare.wav"></audio>
   <audio data-key="75" src="sounds/tom.wav"></audio>
   <audio data-key="76" src="sounds/tink.wav"></audio>
+  <audio data-key="54" src="sounds/tink.wav"></audio>
 
 <script>
-
+  
+  function playSound(e) {
+    console.log(e.keyCode);
+    
+    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 altogether
+    audio.currentTime = 0; // rewind to the start
+    audio.play();
+    key.classList.add('playing');
+  }
+  
+  function removeTransition(e) {
+    if (e.propertyName !== 'transform') return; //skip it if it's not a transform
+    this.classList.remove('playing');
+  }
+  
+  const keys = document.querySelectorAll('.key');
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+  window.addEventListener('keydown', playSound);
 </script>
 
 
 </body>
 </html>
+ 
diff --git a/01 - JavaScript Drum Kit/style.css b/01 - JavaScript Drum Kit/style.css
@@ -34,7 +34,7 @@ body,html {
 
 .playing {
   transform: scale(1.1);
-  border-color: #ffc600;
+  border-color: #0004ff;
   box-shadow: 0 0 1rem #ffc600;
 }
 
diff --git a/02 - JS and CSS Clock/index-START.html b/02 - JS and CSS Clock/index-START.html
@@ -62,13 +62,38 @@
       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 minuteHand = 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 minutes = now.getMinutes();
+      const minutesDegrees = ((minutes / 60) * 360) + 90;
+      minuteHand.style.transform = `rotate(${minutesDegrees}deg)`;
+      
+      const hours = now.getHours();
+      const hoursDegrees = ((hours / 12) * 360) + 90;
+      hourHand.style.transform = `rotate(${hoursDegrees}deg)`;
+      
+      console.log(seconds);
+    }
 
+    setInterval(setDate, 1000);
   </script>
 </body>
 </html>
diff --git a/04 - Array Cardio Day 1/index-START.html b/04 - Array Cardio Day 1/index-START.html
@@ -37,6 +37,9 @@
     
     // Array.prototype.filter()
     // 1. Filter the list of inventors for those who were born in the 1500's
+    const inventorsBornIn1500s = inventors.filter(inventor => inventor.year >= 1500 && inventor.year < 1600);
+
+    console.table(inventorsBornIn1500s);
 
     // Array.prototype.map()
     // 2. Give us an array of the inventors first and last names

Original file line number	Diff line number	Diff line change
`@@ -34,7 +34,7 @@ body,html {`
`34`	`34`
`35`	`35`	`.playing {`
`36`	`36`	`transform: scale(1.1);`
`37`		`- border-color: #ffc600;`
	`37`	`+ border-color: #0004ff;`
`38`	`38`	`box-shadow: 0 0 1rem #ffc600;`
`39`	`39`	`}`
`40`	`40`