added in typewriter effect to header

src/css/main.css

@@ -190,6 +190,17 @@ i.fa-chevron-down {
     margin: 1.5rem 0;
 }
 
+div h1 span {
+    visibility: visible;
+    animation: caret 1s steps(1) infinite;
+}
+
+@keyframes caret {
+    50% {
+        visibility: hidden;
+    }
+}
+
 @media screen and (max-width: 75em) {
     nav {
         display: block;

src/index.html

@@ -33,7 +33,7 @@
             </ul>
         </nav>
         <div>
-            <h1>full stack developer_</h1>
+            <h1>full stack developer</h1>
             <a href="" class="btn btnPrimary boxShadowIn boxShadowOut">Contact Me</a>
             <a href="#about"><i class="fas fa-chevron-down"></i></a>
         </div>

src/js/main.js

@@ -1,6 +1,9 @@
+// scrolling effect
+const scrollLimit = 150;
 window.onscroll = () =>
 {
-	if (document.body.scrollTop >= 150 || document.documentElement.scrollTop >= 150)
+	// check if scrolled past limit if so add scrolled class to change background of nav
+	if (document.body.scrollTop >= scrollLimit || document.documentElement.scrollTop >= scrollLimit)
 	{
 		document.querySelector("nav").classList.add("scrolled");
 	}
@@ -8,9 +11,9 @@ window.onscroll = () =>
 	{
 		document.querySelector("nav").classList.remove("scrolled");
 	}
-	
-	let current = "";
-	
+
+	let current = ""; //id of current section scrolled to, set to "" if at top
+	// go through all sections and find current section id scrolled to
 	document.querySelectorAll("section").forEach((section) =>
 	{
 		const sectionTop = section.offsetTop;
@@ -19,17 +22,64 @@ window.onscroll = () =>
 			current = section.getAttribute("id");
 		}
 	});
-	
-	document.querySelectorAll("nav ul li").forEach((li) =>
+
+	// go through all nav links, remove active class and add it to the link whose href matches the current id scrolled
+	// to
+	document.querySelectorAll("nav ul li a").forEach((a) =>
 	{
-		li.firstChild.classList.remove("active");
-		if (li.firstChild.href.includes(current) && current !== "")
+		a.classList.remove("active");
+		if (a.href.includes(current) && current !== "")
 		{
-			li.firstChild.classList.add("active");
+			a.classList.add("active");
 		}
 		else if (current === "")
 		{
-			document.querySelector("nav ul li").firstChild.classList.add("active");
+			document.querySelector("nav ul li a").classList.add("active"); // at the top
 		}
 	});
 };
+
+document.addEventListener('DOMContentLoaded', () =>
+{
+	// array with texts to type in typewriter
+	var dataText = [ "full stack developer", "web designer", "student", "gamer", "drummer"];
+	
+	// type one text in the typwriter
+	// keeps calling itself until the text is finished
+	function typeWriter(text, i, fnCallback) {
+		// chekc if text isn't finished yet
+		if (i < (text.length)) {
+			// add next character to h1
+			document.querySelector("header div h1").innerHTML = text.substring(0, i+1) +'<span aria-hidden="true">_</span>';
+			
+			// wait for a while and call this function again for next character
+			setTimeout(function() {
+				typeWriter(text, i + 1, fnCallback)
+			}, 100);
+		}
+		// text finished, call callback if there is a callback function
+		else if (typeof fnCallback == 'function') {
+			// call callback after timeout
+			setTimeout(fnCallback, 700);
+		}
+	}
+	// start a typewriter animation for a text in the dataText array
+	function StartTextAnimation(i) {
+		if (typeof dataText[i] === 'undefined'){
+			setTimeout(function() {
+				StartTextAnimation(0);
+			}, 1000);
+			// StartTextAnimation(0);
+		}
+		else if (i < dataText[i].length) {
+			// text exists! start typewriter animation
+			typeWriter(dataText[i], 0, function(){
+				// after callback (and whole text has been animated), start next text
+				StartTextAnimation(i + 1);
+			});
+		}
+	}
+	// start the text animation
+	StartTextAnimation(0);
+});
+