From fc7f07ef4716169a82f30e53eee634523331326f Mon Sep 17 00:00:00 2001
From: Geir Okkenhaug Jerstad <geir@geokkjer.eu>
Date: Thu, 22 Aug 2024 12:21:23 +0200
Subject: [PATCH] conditionals

---
 .../04_data/code/chapter/04_data.js           |  55 +++++++++
 eloquentjavascript/04_data/code/journal.js    |  99 +++++++++++++++
 eloquentjavascript/04_data/code/load.js       |   9 ++
 eloquentjavascript/04_data/index.html         |  15 +++
 eloquentjavascript/04_data/run_with_node.js   |  12 ++
 eloquentjavascript/data_structures.js         | 116 ++++++++++++++++++
 eloquentjavascript/my-node-cli/index.js       |  13 ++
 .../my-node-cli/package-lock.json             |  24 ++++
 eloquentjavascript/my-node-cli/package.json   |  15 +++
 intro_js/conditionals.html                    |  17 +++
 kodekos/variabler.html                        |  44 +++++++
 oppgaver/uke3/lyspære.html                    |  94 ++++++++++++++
 oppgaver/uke3/this.html                       |   5 +-
 13 files changed, 516 insertions(+), 2 deletions(-)
 create mode 100644 eloquentjavascript/04_data/code/chapter/04_data.js
 create mode 100644 eloquentjavascript/04_data/code/journal.js
 create mode 100644 eloquentjavascript/04_data/code/load.js
 create mode 100644 eloquentjavascript/04_data/index.html
 create mode 100644 eloquentjavascript/04_data/run_with_node.js
 create mode 100644 eloquentjavascript/data_structures.js
 create mode 100644 eloquentjavascript/my-node-cli/index.js
 create mode 100644 eloquentjavascript/my-node-cli/package-lock.json
 create mode 100644 eloquentjavascript/my-node-cli/package.json
 create mode 100644 intro_js/conditionals.html
 create mode 100644 oppgaver/uke3/lyspære.html

diff --git a/eloquentjavascript/04_data/code/chapter/04_data.js b/eloquentjavascript/04_data/code/chapter/04_data.js
new file mode 100644
index 0000000..f6af2a9
--- /dev/null
+++ b/eloquentjavascript/04_data/code/chapter/04_data.js
@@ -0,0 +1,55 @@
+var journal = [];
+
+function addEntry(events, squirrel) {
+  journal.push({events, squirrel});
+}
+
+function phi(table) {
+  return (table[3] * table[0] - table[2] * table[1]) /
+    Math.sqrt((table[2] + table[3]) *
+              (table[0] + table[1]) *
+              (table[1] + table[3]) *
+              (table[0] + table[2]));
+}
+
+function tableFor(event, journal) {
+  let table = [0, 0, 0, 0];
+  for (let i = 0; i < journal.length; i++) {
+    let entry = journal[i], index = 0;
+    if (entry.events.includes(event)) index += 1;
+    if (entry.squirrel) index += 2;
+    table[index] += 1;
+  }
+  return table;
+}
+
+function journalEvents(journal) {
+  let events = [];
+  for (let entry of journal) {
+    for (let event of entry.events) {
+      if (!events.includes(event)) {
+        events.push(event);
+      }
+    }
+  }
+  return events;
+}
+
+function max(...numbers) {
+  let result = -Infinity;
+  for (let number of numbers) {
+    if (number > result) result = number;
+  }
+  return result;
+}
+
+var list = {
+  value: 1,
+  rest: {
+    value: 2,
+    rest: {
+      value: 3,
+      rest: null
+    }
+  }
+};
diff --git a/eloquentjavascript/04_data/code/journal.js b/eloquentjavascript/04_data/code/journal.js
new file mode 100644
index 0000000..ee98d22
--- /dev/null
+++ b/eloquentjavascript/04_data/code/journal.js
@@ -0,0 +1,99 @@
+var JOURNAL = [
+  {"events":["carrot","exercise","weekend"],"squirrel":false},
+  {"events":["bread","pudding","brushed teeth","weekend","touched tree"],"squirrel":false},
+  {"events":["carrot","nachos","brushed teeth","cycling","weekend"],"squirrel":false},
+  {"events":["brussel sprouts","ice cream","brushed teeth","computer","weekend"],"squirrel":false},
+  {"events":["potatoes","candy","brushed teeth","exercise","weekend","dentist"],"squirrel":false},
+  {"events":["brussel sprouts","pudding","brushed teeth","running","weekend"],"squirrel":false},
+  {"events":["pizza","brushed teeth","computer","work","touched tree"],"squirrel":false},
+  {"events":["bread","beer","brushed teeth","cycling","work"],"squirrel":false},
+  {"events":["cauliflower","brushed teeth","work"],"squirrel":false},
+  {"events":["pizza","brushed teeth","cycling","work"],"squirrel":false},
+  {"events":["lasagna","nachos","brushed teeth","work"],"squirrel":false},
+  {"events":["brushed teeth","weekend","touched tree"],"squirrel":false},
+  {"events":["lettuce","brushed teeth","television","weekend"],"squirrel":false},
+  {"events":["spaghetti","brushed teeth","work"],"squirrel":false},
+  {"events":["brushed teeth","computer","work"],"squirrel":false},
+  {"events":["lettuce","nachos","brushed teeth","work"],"squirrel":false},
+  {"events":["carrot","brushed teeth","running","work"],"squirrel":false},
+  {"events":["brushed teeth","work"],"squirrel":false},
+  {"events":["cauliflower","reading","weekend"],"squirrel":false},
+  {"events":["bread","brushed teeth","weekend"],"squirrel":false},
+  {"events":["lasagna","brushed teeth","exercise","work"],"squirrel":false},
+  {"events":["spaghetti","brushed teeth","reading","work"],"squirrel":false},
+  {"events":["carrot","ice cream","brushed teeth","television","work"],"squirrel":false},
+  {"events":["spaghetti","nachos","work"],"squirrel":false},
+  {"events":["cauliflower","ice cream","brushed teeth","cycling","work"],"squirrel":false},
+  {"events":["spaghetti","peanuts","computer","weekend"],"squirrel":true},
+  {"events":["potatoes","ice cream","brushed teeth","computer","weekend"],"squirrel":false},
+  {"events":["potatoes","ice cream","brushed teeth","work"],"squirrel":false},
+  {"events":["peanuts","brushed teeth","running","work"],"squirrel":false},
+  {"events":["potatoes","exercise","work"],"squirrel":false},
+  {"events":["pizza","ice cream","computer","work"],"squirrel":false},
+  {"events":["lasagna","ice cream","work"],"squirrel":false},
+  {"events":["cauliflower","candy","reading","weekend"],"squirrel":false},
+  {"events":["lasagna","nachos","brushed teeth","running","weekend"],"squirrel":false},
+  {"events":["potatoes","brushed teeth","work"],"squirrel":false},
+  {"events":["carrot","work"],"squirrel":false},
+  {"events":["pizza","beer","work","dentist"],"squirrel":false},
+  {"events":["lasagna","pudding","cycling","work"],"squirrel":false},
+  {"events":["spaghetti","brushed teeth","reading","work"],"squirrel":false},
+  {"events":["spaghetti","pudding","television","weekend"],"squirrel":false},
+  {"events":["bread","brushed teeth","exercise","weekend"],"squirrel":false},
+  {"events":["lasagna","peanuts","work"],"squirrel":true},
+  {"events":["pizza","work"],"squirrel":false},
+  {"events":["potatoes","exercise","work"],"squirrel":false},
+  {"events":["brushed teeth","exercise","work"],"squirrel":false},
+  {"events":["spaghetti","brushed teeth","television","work"],"squirrel":false},
+  {"events":["pizza","cycling","weekend"],"squirrel":false},
+  {"events":["carrot","brushed teeth","weekend"],"squirrel":false},
+  {"events":["carrot","beer","brushed teeth","work"],"squirrel":false},
+  {"events":["pizza","peanuts","candy","work"],"squirrel":true},
+  {"events":["carrot","peanuts","brushed teeth","reading","work"],"squirrel":false},
+  {"events":["potatoes","peanuts","brushed teeth","work"],"squirrel":false},
+  {"events":["carrot","nachos","brushed teeth","exercise","work"],"squirrel":false},
+  {"events":["pizza","peanuts","brushed teeth","television","weekend"],"squirrel":false},
+  {"events":["lasagna","brushed teeth","cycling","weekend"],"squirrel":false},
+  {"events":["cauliflower","peanuts","brushed teeth","computer","work","touched tree"],"squirrel":false},
+  {"events":["lettuce","brushed teeth","television","work"],"squirrel":false},
+  {"events":["potatoes","brushed teeth","computer","work"],"squirrel":false},
+  {"events":["bread","candy","work"],"squirrel":false},
+  {"events":["potatoes","nachos","work"],"squirrel":false},
+  {"events":["carrot","pudding","brushed teeth","weekend"],"squirrel":false},
+  {"events":["carrot","brushed teeth","exercise","weekend","touched tree"],"squirrel":false},
+  {"events":["brussel sprouts","running","work"],"squirrel":false},
+  {"events":["brushed teeth","work"],"squirrel":false},
+  {"events":["lettuce","brushed teeth","running","work"],"squirrel":false},
+  {"events":["candy","brushed teeth","work"],"squirrel":false},
+  {"events":["brussel sprouts","brushed teeth","computer","work"],"squirrel":false},
+  {"events":["bread","brushed teeth","weekend"],"squirrel":false},
+  {"events":["cauliflower","brushed teeth","weekend"],"squirrel":false},
+  {"events":["spaghetti","candy","television","work","touched tree"],"squirrel":false},
+  {"events":["carrot","pudding","brushed teeth","work"],"squirrel":false},
+  {"events":["lettuce","brushed teeth","work"],"squirrel":false},
+  {"events":["carrot","ice cream","brushed teeth","cycling","work"],"squirrel":false},
+  {"events":["pizza","brushed teeth","work"],"squirrel":false},
+  {"events":["spaghetti","peanuts","exercise","weekend"],"squirrel":true},
+  {"events":["bread","beer","computer","weekend","touched tree"],"squirrel":false},
+  {"events":["brushed teeth","running","work"],"squirrel":false},
+  {"events":["lettuce","peanuts","brushed teeth","work","touched tree"],"squirrel":false},
+  {"events":["lasagna","brushed teeth","television","work"],"squirrel":false},
+  {"events":["cauliflower","brushed teeth","running","work"],"squirrel":false},
+  {"events":["carrot","brushed teeth","running","work"],"squirrel":false},
+  {"events":["carrot","reading","weekend"],"squirrel":false},
+  {"events":["carrot","peanuts","reading","weekend"],"squirrel":true},
+  {"events":["potatoes","brushed teeth","running","work"],"squirrel":false},
+  {"events":["lasagna","ice cream","work","touched tree"],"squirrel":false},
+  {"events":["cauliflower","peanuts","brushed teeth","cycling","work"],"squirrel":false},
+  {"events":["pizza","brushed teeth","running","work"],"squirrel":false},
+  {"events":["lettuce","brushed teeth","work"],"squirrel":false},
+  {"events":["bread","brushed teeth","television","weekend"],"squirrel":false},
+  {"events":["cauliflower","peanuts","brushed teeth","weekend"],"squirrel":false}
+];
+
+// This makes sure the data is exported in node.js —
+// `require('./path/to/journal.js')` will get you the array.
+if (typeof module != "undefined" && module.exports && (typeof window == "undefined" || window.exports != exports))
+  module.exports = JOURNAL;
+if (typeof global != "undefined" && !global.JOURNAL)
+  global.JOURNAL = JOURNAL;
diff --git a/eloquentjavascript/04_data/code/load.js b/eloquentjavascript/04_data/code/load.js
new file mode 100644
index 0000000..bf44c10
--- /dev/null
+++ b/eloquentjavascript/04_data/code/load.js
@@ -0,0 +1,9 @@
+// Since the code for most chapter in Eloquent JavaScript isn't
+// written with node's module system in mind, this kludge is used to
+// load dependency files into the global namespace, so that the
+// examples can run on node.
+
+module.exports = function(...args) {
+  for (let arg of args)
+    (1,eval)(require("fs").readFileSync(__dirname + "/../" + arg, "utf8"))
+}
diff --git a/eloquentjavascript/04_data/index.html b/eloquentjavascript/04_data/index.html
new file mode 100644
index 0000000..dcd0b38
--- /dev/null
+++ b/eloquentjavascript/04_data/index.html
@@ -0,0 +1,15 @@
+<!doctype html>
+<script src="code/journal.js"></script>
+<script src="code/chapter/04_data.js"></script>
+
+<body><script>
+for (let event of journalEvents(JOURNAL)) {
+  let correlation = phi(tableFor(event, JOURNAL));
+  if (correlation > 0.1 || correlation < -0.1) {
+    console.log(event + ":", correlation);
+  }
+}
+// → brushed teeth: -0.3805211953
+// → work:          -0.1371988681
+// → reading:        0.1106828054
+</script></body>
\ No newline at end of file
diff --git a/eloquentjavascript/04_data/run_with_node.js b/eloquentjavascript/04_data/run_with_node.js
new file mode 100644
index 0000000..88ebd20
--- /dev/null
+++ b/eloquentjavascript/04_data/run_with_node.js
@@ -0,0 +1,12 @@
+// load dependencies
+require("./code/load")("code/journal.js", "code/chapter/04_data.js");
+
+for (let event of journalEvents(JOURNAL)) {
+  let correlation = phi(tableFor(event, JOURNAL));
+  if (correlation > 0.1 || correlation < -0.1) {
+    console.log(event + ":", correlation);
+  }
+}
+// → brushed teeth: -0.3805211953
+// → work:          -0.1371988681
+// → reading:        0.1106828054
diff --git a/eloquentjavascript/data_structures.js b/eloquentjavascript/data_structures.js
new file mode 100644
index 0000000..58e68b3
--- /dev/null
+++ b/eloquentjavascript/data_structures.js
@@ -0,0 +1,116 @@
+// Weresquirrel
+
+var JOURNAL = [
+    {"events":["carrot","exercise","weekend"],"squirrel":false},
+    {"events":["bread","pudding","brushed teeth","weekend","touched tree"],"squirrel":false},
+    {"events":["carrot","nachos","brushed teeth","cycling","weekend"],"squirrel":false},
+    {"events":["brussel sprouts","ice cream","brushed teeth","computer","weekend"],"squirrel":false},
+    {"events":["potatoes","candy","brushed teeth","exercise","weekend","dentist"],"squirrel":false},
+    {"events":["brussel sprouts","pudding","brushed teeth","running","weekend"],"squirrel":false},
+    {"events":["pizza","brushed teeth","computer","work","touched tree"],"squirrel":false},
+    {"events":["bread","beer","brushed teeth","cycling","work"],"squirrel":false},
+    {"events":["cauliflower","brushed teeth","work"],"squirrel":false},
+    {"events":["pizza","brushed teeth","cycling","work"],"squirrel":false},
+    {"events":["lasagna","nachos","brushed teeth","work"],"squirrel":false},
+    {"events":["brushed teeth","weekend","touched tree"],"squirrel":false},
+    {"events":["lettuce","brushed teeth","television","weekend"],"squirrel":false},
+    {"events":["spaghetti","brushed teeth","work"],"squirrel":false},
+    {"events":["brushed teeth","computer","work"],"squirrel":false},
+    {"events":["lettuce","nachos","brushed teeth","work"],"squirrel":false},
+    {"events":["carrot","brushed teeth","running","work"],"squirrel":false},
+    {"events":["brushed teeth","work"],"squirrel":false},
+    {"events":["cauliflower","reading","weekend"],"squirrel":false},
+    {"events":["bread","brushed teeth","weekend"],"squirrel":false},
+    {"events":["lasagna","brushed teeth","exercise","work"],"squirrel":false},
+    {"events":["spaghetti","brushed teeth","reading","work"],"squirrel":false},
+    {"events":["carrot","ice cream","brushed teeth","television","work"],"squirrel":false},
+    {"events":["spaghetti","nachos","work"],"squirrel":false},
+    {"events":["cauliflower","ice cream","brushed teeth","cycling","work"],"squirrel":false},
+    {"events":["spaghetti","peanuts","computer","weekend"],"squirrel":true},
+    {"events":["potatoes","ice cream","brushed teeth","computer","weekend"],"squirrel":false},
+    {"events":["potatoes","ice cream","brushed teeth","work"],"squirrel":false},
+    {"events":["peanuts","brushed teeth","running","work"],"squirrel":false},
+    {"events":["potatoes","exercise","work"],"squirrel":false},
+    {"events":["pizza","ice cream","computer","work"],"squirrel":false},
+    {"events":["lasagna","ice cream","work"],"squirrel":false},
+    {"events":["cauliflower","candy","reading","weekend"],"squirrel":false},
+    {"events":["lasagna","nachos","brushed teeth","running","weekend"],"squirrel":false},
+    {"events":["potatoes","brushed teeth","work"],"squirrel":false},
+    {"events":["carrot","work"],"squirrel":false},
+    {"events":["pizza","beer","work","dentist"],"squirrel":false},
+    {"events":["lasagna","pudding","cycling","work"],"squirrel":false},
+    {"events":["spaghetti","brushed teeth","reading","work"],"squirrel":false},
+    {"events":["spaghetti","pudding","television","weekend"],"squirrel":false},
+    {"events":["bread","brushed teeth","exercise","weekend"],"squirrel":false},
+    {"events":["lasagna","peanuts","work"],"squirrel":true},
+    {"events":["pizza","work"],"squirrel":false},
+    {"events":["potatoes","exercise","work"],"squirrel":false},
+    {"events":["brushed teeth","exercise","work"],"squirrel":false},
+    {"events":["spaghetti","brushed teeth","television","work"],"squirrel":false},
+    {"events":["pizza","cycling","weekend"],"squirrel":false},
+    {"events":["carrot","brushed teeth","weekend"],"squirrel":false},
+    {"events":["carrot","beer","brushed teeth","work"],"squirrel":false},
+    {"events":["pizza","peanuts","candy","work"],"squirrel":true},
+    {"events":["carrot","peanuts","brushed teeth","reading","work"],"squirrel":false},
+    {"events":["potatoes","peanuts","brushed teeth","work"],"squirrel":false},
+    {"events":["carrot","nachos","brushed teeth","exercise","work"],"squirrel":false},
+    {"events":["pizza","peanuts","brushed teeth","television","weekend"],"squirrel":false},
+    {"events":["lasagna","brushed teeth","cycling","weekend"],"squirrel":false},
+    {"events":["cauliflower","peanuts","brushed teeth","computer","work","touched tree"],"squirrel":false},
+    {"events":["lettuce","brushed teeth","television","work"],"squirrel":false},
+    {"events":["potatoes","brushed teeth","computer","work"],"squirrel":false},
+    {"events":["bread","candy","work"],"squirrel":false},
+    {"events":["potatoes","nachos","work"],"squirrel":false},
+    {"events":["carrot","pudding","brushed teeth","weekend"],"squirrel":false},
+    {"events":["carrot","brushed teeth","exercise","weekend","touched tree"],"squirrel":false},
+    {"events":["brussel sprouts","running","work"],"squirrel":false},
+    {"events":["brushed teeth","work"],"squirrel":false},
+    {"events":["lettuce","brushed teeth","running","work"],"squirrel":false},
+    {"events":["candy","brushed teeth","work"],"squirrel":false},
+    {"events":["brussel sprouts","brushed teeth","computer","work"],"squirrel":false},
+    {"events":["bread","brushed teeth","weekend"],"squirrel":false},
+    {"events":["cauliflower","brushed teeth","weekend"],"squirrel":false},
+    {"events":["spaghetti","candy","television","work","touched tree"],"squirrel":false},
+    {"events":["carrot","pudding","brushed teeth","work"],"squirrel":false},
+    {"events":["lettuce","brushed teeth","work"],"squirrel":false},
+    {"events":["carrot","ice cream","brushed teeth","cycling","work"],"squirrel":false},
+    {"events":["pizza","brushed teeth","work"],"squirrel":false},
+    {"events":["spaghetti","peanuts","exercise","weekend"],"squirrel":true},
+    {"events":["bread","beer","computer","weekend","touched tree"],"squirrel":false},
+    {"events":["brushed teeth","running","work"],"squirrel":false},
+    {"events":["lettuce","peanuts","brushed teeth","work","touched tree"],"squirrel":false},
+    {"events":["lasagna","brushed teeth","television","work"],"squirrel":false},
+    {"events":["cauliflower","brushed teeth","running","work"],"squirrel":false},
+    {"events":["carrot","brushed teeth","running","work"],"squirrel":false},
+    {"events":["carrot","reading","weekend"],"squirrel":false},
+    {"events":["carrot","peanuts","reading","weekend"],"squirrel":true},
+    {"events":["potatoes","brushed teeth","running","work"],"squirrel":false},
+    {"events":["lasagna","ice cream","work","touched tree"],"squirrel":false},
+    {"events":["cauliflower","peanuts","brushed teeth","cycling","work"],"squirrel":false},
+    {"events":["pizza","brushed teeth","running","work"],"squirrel":false},
+    {"events":["lettuce","brushed teeth","work"],"squirrel":false},
+    {"events":["bread","brushed teeth","television","weekend"],"squirrel":false},
+    {"events":["cauliflower","peanuts","brushed teeth","weekend"],"squirrel":false}
+  ];
+
+function tableFor(event, journal) {
+    let table = [0,0,0,0];
+    for (let i = 0; i < journal.length; i++) {
+        let entry = journal[i], index = 0;
+        if (entry.events.includes(event)) index += 1;
+        if (entry.squirrel) index += 2;
+        table[index] += 1;
+    }
+    return table;
+  }
+console.log(tableFor("pizza", JOURNAL));
+
+
+function phi(table) {
+    return (table[3] * table[0] - table[2] * table[1]) / Math.sqrt(
+        (table[2] + table[3]) *
+        (table[0] + table[1]) *
+        (table[1] + table[3]) *
+        (table[0] + table[2]));
+};
+// console.log(phi([76, 9, 4, 1]));
diff --git a/eloquentjavascript/my-node-cli/index.js b/eloquentjavascript/my-node-cli/index.js
new file mode 100644
index 0000000..a2ff2ba
--- /dev/null
+++ b/eloquentjavascript/my-node-cli/index.js
@@ -0,0 +1,13 @@
+#!/usr/bin/env node
+
+import { program } from "commander";
+
+program
+    .version("1.0.0")
+    .description("My Node cli")
+    .option("-n, --name <type>", "Add your name")
+    .action((options) => {
+        console.log('Hey, ${options.name}!');
+    });
+
+    program.parse(process.argv);
\ No newline at end of file
diff --git a/eloquentjavascript/my-node-cli/package-lock.json b/eloquentjavascript/my-node-cli/package-lock.json
new file mode 100644
index 0000000..7779250
--- /dev/null
+++ b/eloquentjavascript/my-node-cli/package-lock.json
@@ -0,0 +1,24 @@
+{
+  "name": "my-node-cli",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "my-node-cli",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "commander": "^12.1.0"
+      }
+    },
+    "node_modules/commander": {
+      "version": "12.1.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-12.1.0.tgz",
+      "integrity": "sha512-Vw8qHK3bZM9y/P10u3Vib8o/DdkvA2OtPtZvD871QKjy74Wj1WSKFILMPRPSdUSx5RFK1arlJzEtA4PkFgnbuA==",
+      "engines": {
+        "node": ">=18"
+      }
+    }
+  }
+}
diff --git a/eloquentjavascript/my-node-cli/package.json b/eloquentjavascript/my-node-cli/package.json
new file mode 100644
index 0000000..66c3e8a
--- /dev/null
+++ b/eloquentjavascript/my-node-cli/package.json
@@ -0,0 +1,15 @@
+{
+  "name": "my-node-cli",
+  "version": "1.0.0",
+  "main": "index.js",
+  "bin": {
+    "my-node-cli": "./index.js"
+  },
+  "type": "module",
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "commander": "^12.1.0"
+  }
+}
diff --git a/intro_js/conditionals.html b/intro_js/conditionals.html
new file mode 100644
index 0000000..c6dd93c
--- /dev/null
+++ b/intro_js/conditionals.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Conditionals</title>
+    <style>
+
+    </style>
+</head>
+<body>
+
+    <script>
+
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/kodekos/variabler.html b/kodekos/variabler.html
index e69de29..1b77973 100644
--- a/kodekos/variabler.html
+++ b/kodekos/variabler.html
@@ -0,0 +1,44 @@
+<!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>
+    <div id="text">
+        Generet: Hvordan opplevde dere denne workshopen? positiv og negativ feedback!
+
+        Fikk jeg noe ut av dette? 
+        Sosialt - kjent med nye, andre perspektiv innsikter?
+    NK - personlig utfordring, samarbeid
+    Ok oppgaver? For lett? For vanskelig? Fjasete?
+    Lærte du noe?
+    Annen feedback?
+    Er det verdt tiden eller hadde du foretrukket å kode alene?
+    </div>
+    <script>
+        showText();
+    function showText() {
+        let name1 = "Terje";
+        let name2 = "Marie"; 
+        let brotherName = "Bjarne";
+        let age = 45;
+        let wearing = "Hawaii skjorte";
+
+        document.getElementById('text').innerHTML = /*HTML*/`
+        ${name1} er født med ski på bena.<br>
+        ${name2} har en bror.<br>
+        Broren til Marie heter ${brotherName}.<br>
+        ${name1} er 45 år gammel.<br>
+        ${name1} har på seg ${wearing}.<br>
+
+        
+        `;
+
+    }
+
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/oppgaver/uke3/lyspære.html b/oppgaver/uke3/lyspære.html
new file mode 100644
index 0000000..a627b9e
--- /dev/null
+++ b/oppgaver/uke3/lyspære.html
@@ -0,0 +1,94 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>If else else if</title>
+    <style>
+        .hungrySetting{
+            height: 20px;
+            width: 200px;
+            background-color: lightgray;
+            cursor: pointer;
+        }
+    </style>
+</head>
+<body>
+    <div class="result" id="resultBox">Result: </div>
+    <div class="hungrySetting" onclick="changeHungrySetting()">Change hungry Status: </div>
+    <div id="hungryText">I'm hungry</div>
+
+    <script>
+        let hungry = true;
+        function changeHungrySetting(){
+            hungry = !hungry; 
+            changeHungryText();
+        }
+        function changeHungryText(){
+            if (hungry == true){
+                document.getElementById('hungryText').innerHTML = 'I`m hungry'
+            } else {
+                document.getElementById('hungryText').innerHTML = 'I`m not hungry'
+            }
+        };
+        let numberOne = 5;
+        let numberTwo = 23;
+
+        let textNumber = "30";
+
+        check()
+        function check(){
+            OrCheck();
+        };
+        function setTextToTrue() {
+            document.getElementById('resultBox').innerHTML += true;
+        }
+        function setTextToFalse() {
+            document.getElementById('resultBox').innerHTML += false;
+        }
+
+        function NotEqualTo() {
+            if (numberOne != numberTwo){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+        function EqualTo(){
+            if (numberTwo == textNumber){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+        function LessThan(){
+            if (numberOne < numberTwo){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+        function LargerThan(){
+            if (numberOne > numberTwo){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+        function AndCheck(){
+            if (numberOne < 20 && numberTwo > numberOne){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+        function OrCheck(){
+            if (numberOne > 50 || numberTwo > numberOne){
+                setTextToTrue();
+            } else {
+                setTextToFalse();
+            }
+        };
+    </script>
+</body>
+</html>
\ No newline at end of file
diff --git a/oppgaver/uke3/this.html b/oppgaver/uke3/this.html
index f907bb3..0716720 100644
--- a/oppgaver/uke3/this.html
+++ b/oppgaver/uke3/this.html
@@ -4,6 +4,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Document</title>
+    
     <style>
         .box{
             height: 100px;
@@ -42,8 +43,8 @@
             element.innerHTML = "hei";
         };
         function letterPressed(letter){
-            let letterPress = letter;
-            console.log('${letterPress}');
+            let letterPress = letter.innerHTML;
+            console.log(letterPress);
             document.getElementById('letter').innerHTML = `${letterPress}`;
         }
     </script>