diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..0f23e63
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "livePreview.defaultPreviewPath": "/oppgaver/uke3/trafikklys.html"
+}
\ No newline at end of file
diff --git a/index.html b/index.html
index c9ce06f..3df3ff4 100644
--- a/index.html
+++ b/index.html
@@ -22,10 +22,16 @@
         <div id="heading">Linker skolearbeid:</div>
         <ol>
             <li><a href="https://geokkjer.github.io/startit/intro_html">Intro HTML CSS Javascript</a></li>
-            <div id="heading">Uke 1</div>
+            <div id="heading">Uke 1/2</div>
             <li><a href="https://geokkjer.github.io/startit/team/oppgave1/index2.html">Team-oppgave uke 1.5</a></li>
             <li><a href="https://geokkjer.github.io/startit/oppgaver/uke1/visuell-teller.html">Visuell teller</a></li>
             <li><a href="https://geokkjer.github.io/startit/oppgaver/uke1/intro-oppgave.html">Introduksjon</a></li>
+            <div id="heading">Uke 3</div>
+            <li><a href="https://geokkjer.github.io/startit/oppgaver/uke3/bakgrunnsfarge.html">Bakgrunnsfarge</a></li>
+            <li><a href="https://geokkjer.github.io/startit/oppgaver/uke3/lyspære.html">Lyspære</a></li>
+            <li><a href="https://geokkjer.github.io/startit/oppgaver/uke3/stoppeklokke.html">Stoppeklokke</a></li>
+            <li><a href="https://geokkjer.github.io/startit/oppgaver/uke3/this.html">This</a></li>
+            <li><a href="https://geokkjer.github.io/startit/oppgaver/uke3/krokkodille.html">Krokkodille</a></li>
 
         </ol>
 
diff --git a/intro_js/clicker.html b/intro_js/clicker.html
index 2f8e887..f45786f 100644
--- a/intro_js/clicker.html
+++ b/intro_js/clicker.html
@@ -1,10 +1,12 @@
 <!DOCTYPE html>
 <html lang="en">
+
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
     <title>Document</title>
 </head>
+
 <body>
     Poeng <span id="points"></span><br>
     <button onclick="addPoints()">Klikk her</button>
@@ -13,19 +15,22 @@
     <script>
         let points = 0;
         let upgrades = 1;
-        function addPoints(){
+        function addPoints() {
             points += upgrades;
             document.getElementById('points').innerHTML = points;
         };
-        function upgrade(){
-            upgrades++;
-            points -= 10;
-            document.getElementById('points').innerHTML = points;
+        function upgrade() {
+            if (points >= 10) {
+                upgrades++;
+                points -= 10;
+                document.getElementById('points').innerHTML = points;
+            }
         }
-        function reset(){
+        function reset() {
             points = 0;
             upgrades = 1;
         }
     </script>
 </body>
+
 </html>
\ No newline at end of file
diff --git a/oppgaver/uke3/krokodille.html b/oppgaver/uke3/krokodille.html
new file mode 100644
index 0000000..e69de29
