diff --git a/Codealong/view.js b/Codealong/view.js
index 81a2d1a..e98f1c4 100644
--- a/Codealong/view.js
+++ b/Codealong/view.js
@@ -38,7 +38,7 @@ function addBikeview() {
         <input type="number" onchange="model.input.newBike.gears = this.value">
     </div>
     <div>
-    Er sykkelen tigjengelig<input type="checkbox" checked="checked" onclick="model.input.newBike.isAvailable = this.value">Ja</button>
+    Er sykkelen tigjengelig<input type="checkbox" checked="" onclick="model.input.newBike.isAvailable = this.value">Ja</button>
     <input type="checkbox" checked="" onclick="model.input.newBike.isAvailable = this.value">Nei</button>
     </div>
     <div>
diff --git a/Emne 3/.envrc b/Emne 3/.envrc
new file mode 100644
index 0000000..65326bb
--- /dev/null
+++ b/Emne 3/.envrc	
@@ -0,0 +1 @@
+use nix
\ No newline at end of file
diff --git a/Emne 3/shell.nix b/Emne 3/shell.nix
new file mode 100644
index 0000000..947634f
--- /dev/null
+++ b/Emne 3/shell.nix	
@@ -0,0 +1,14 @@
+# shell.nix
+with import <nixpkgs> {};
+
+mkShell {
+  name = "dotnet-env";
+  packages = [
+    (with dotnetCorePackages; combinePackages [
+      sdk_6_0
+      sdk_7_0
+      sdk_8_0
+      sdk_9_0
+    ])
+  ];
+}
\ No newline at end of file
diff --git a/Emne 3/test/Program.cs b/Emne 3/test/Program.cs
new file mode 100644
index 0000000..83fa4f4
--- /dev/null
+++ b/Emne 3/test/Program.cs	
@@ -0,0 +1,2 @@
+// See https://aka.ms/new-console-template for more information
+Console.WriteLine("Hello, World!");
diff --git a/Emne 3/test/bin/Debug/net6.0/test b/Emne 3/test/bin/Debug/net6.0/test
new file mode 100755
index 0000000..ab64943
Binary files /dev/null and b/Emne 3/test/bin/Debug/net6.0/test differ
diff --git a/Emne 3/test/bin/Debug/net6.0/test.deps.json b/Emne 3/test/bin/Debug/net6.0/test.deps.json
new file mode 100644
index 0000000..6f037aa
--- /dev/null
+++ b/Emne 3/test/bin/Debug/net6.0/test.deps.json	
@@ -0,0 +1,23 @@
+{
+  "runtimeTarget": {
+    "name": ".NETCoreApp,Version=v6.0",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETCoreApp,Version=v6.0": {
+      "test/1.0.0": {
+        "runtime": {
+          "test.dll": {}
+        }
+      }
+    }
+  },
+  "libraries": {
+    "test/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    }
+  }
+}
\ No newline at end of file
diff --git a/Emne 3/test/bin/Debug/net6.0/test.dll b/Emne 3/test/bin/Debug/net6.0/test.dll
new file mode 100644
index 0000000..91b0264
Binary files /dev/null and b/Emne 3/test/bin/Debug/net6.0/test.dll differ
diff --git a/Emne 3/test/bin/Debug/net6.0/test.pdb b/Emne 3/test/bin/Debug/net6.0/test.pdb
new file mode 100644
index 0000000..c13db9b
Binary files /dev/null and b/Emne 3/test/bin/Debug/net6.0/test.pdb differ
diff --git a/Emne 3/test/bin/Debug/net6.0/test.runtimeconfig.json b/Emne 3/test/bin/Debug/net6.0/test.runtimeconfig.json
new file mode 100644
index 0000000..4986d16
--- /dev/null
+++ b/Emne 3/test/bin/Debug/net6.0/test.runtimeconfig.json	
@@ -0,0 +1,9 @@
+{
+  "runtimeOptions": {
+    "tfm": "net6.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "6.0.0"
+    }
+  }
+}
\ No newline at end of file
diff --git a/Emne 3/test/obj/Debug/net6.0/.NETCoreApp,Version=v6.0.AssemblyAttributes.cs b/Emne 3/test/obj/Debug/net6.0/.NETCoreApp,Version=v6.0.AssemblyAttributes.cs
new file mode 100644
index 0000000..f795be5
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/.NETCoreApp,Version=v6.0.AssemblyAttributes.cs	
@@ -0,0 +1,4 @@
+// <autogenerated />
+using System;
+using System.Reflection;
+[assembly: global::System.Runtime.Versioning.TargetFrameworkAttribute(".NETCoreApp,Version=v6.0", FrameworkDisplayName = "")]
diff --git a/Emne 3/test/obj/Debug/net6.0/apphost b/Emne 3/test/obj/Debug/net6.0/apphost
new file mode 100755
index 0000000..ab64943
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/apphost differ
diff --git a/Emne 3/test/obj/Debug/net6.0/ref/test.dll b/Emne 3/test/obj/Debug/net6.0/ref/test.dll
new file mode 100644
index 0000000..024efb8
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/ref/test.dll differ
diff --git a/Emne 3/test/obj/Debug/net6.0/refint/test.dll b/Emne 3/test/obj/Debug/net6.0/refint/test.dll
new file mode 100644
index 0000000..024efb8
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/refint/test.dll differ
diff --git a/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfo.cs b/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfo.cs
new file mode 100644
index 0000000..ae50564
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfo.cs	
@@ -0,0 +1,22 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated.
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+[assembly: System.Reflection.AssemblyCompanyAttribute("test")]
+[assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
+[assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+0d48ecd36c784dc17779f6ea5d2c2ee92229f638")]
+[assembly: System.Reflection.AssemblyProductAttribute("test")]
+[assembly: System.Reflection.AssemblyTitleAttribute("test")]
+[assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
+
+// Generated by the MSBuild WriteCodeFragment class.
+
diff --git a/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfoInputs.cache b/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfoInputs.cache
new file mode 100644
index 0000000..9ef7c07
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfoInputs.cache	
@@ -0,0 +1 @@
+fa1090383c7e9468c712b99ada208132ba266a2c4ee621946e799a1f8a8ef25e
diff --git a/Emne 3/test/obj/Debug/net6.0/test.GeneratedMSBuildEditorConfig.editorconfig b/Emne 3/test/obj/Debug/net6.0/test.GeneratedMSBuildEditorConfig.editorconfig
new file mode 100644
index 0000000..5d5dae3
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.GeneratedMSBuildEditorConfig.editorconfig	
@@ -0,0 +1,15 @@
+is_global = true
+build_property.TargetFramework = net6.0
+build_property.TargetPlatformMinVersion = 
+build_property.UsingMicrosoftNETSdkWeb = 
+build_property.ProjectTypeGuids = 
+build_property.InvariantGlobalization = 
+build_property.PlatformNeutralAssembly = 
+build_property.EnforceExtendedAnalyzerRules = 
+build_property._SupportedPlatformList = Linux,macOS,Windows
+build_property.RootNamespace = test
+build_property.ProjectDir = /home/geir/code/startit/Emne 3/test/
+build_property.EnableComHosting = 
+build_property.EnableGeneratedComInterfaceComImportInterop = 
+build_property.EffectiveAnalysisLevelStyle = 6.0
+build_property.EnableCodeStyleSeverity = 
diff --git a/Emne 3/test/obj/Debug/net6.0/test.GlobalUsings.g.cs b/Emne 3/test/obj/Debug/net6.0/test.GlobalUsings.g.cs
new file mode 100644
index 0000000..8578f3d
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.GlobalUsings.g.cs	
@@ -0,0 +1,8 @@
+// <auto-generated/>
+global using global::System;
+global using global::System.Collections.Generic;
+global using global::System.IO;
+global using global::System.Linq;
+global using global::System.Net.Http;
+global using global::System.Threading;
+global using global::System.Threading.Tasks;
diff --git a/Emne 3/test/obj/Debug/net6.0/test.assets.cache b/Emne 3/test/obj/Debug/net6.0/test.assets.cache
new file mode 100644
index 0000000..dd50f75
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/test.assets.cache differ
diff --git a/Emne 3/test/obj/Debug/net6.0/test.csproj.CoreCompileInputs.cache b/Emne 3/test/obj/Debug/net6.0/test.csproj.CoreCompileInputs.cache
new file mode 100644
index 0000000..7e6ec24
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.csproj.CoreCompileInputs.cache	
@@ -0,0 +1 @@
+efee7a292436d1551f7324d4cb434e20ebd4961bf658768cef30abef989affa8
diff --git a/Emne 3/test/obj/Debug/net6.0/test.csproj.FileListAbsolute.txt b/Emne 3/test/obj/Debug/net6.0/test.csproj.FileListAbsolute.txt
new file mode 100644
index 0000000..022e435
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.csproj.FileListAbsolute.txt	
@@ -0,0 +1,14 @@
+/home/geir/code/startit/Emne 3/test/bin/Debug/net6.0/test
+/home/geir/code/startit/Emne 3/test/bin/Debug/net6.0/test.deps.json
+/home/geir/code/startit/Emne 3/test/bin/Debug/net6.0/test.runtimeconfig.json
+/home/geir/code/startit/Emne 3/test/bin/Debug/net6.0/test.dll
+/home/geir/code/startit/Emne 3/test/bin/Debug/net6.0/test.pdb
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.GeneratedMSBuildEditorConfig.editorconfig
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfoInputs.cache
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.AssemblyInfo.cs
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.csproj.CoreCompileInputs.cache
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.dll
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/refint/test.dll
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.pdb
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/test.genruntimeconfig.cache
+/home/geir/code/startit/Emne 3/test/obj/Debug/net6.0/ref/test.dll
diff --git a/Emne 3/test/obj/Debug/net6.0/test.dll b/Emne 3/test/obj/Debug/net6.0/test.dll
new file mode 100644
index 0000000..91b0264
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/test.dll differ
diff --git a/Emne 3/test/obj/Debug/net6.0/test.genruntimeconfig.cache b/Emne 3/test/obj/Debug/net6.0/test.genruntimeconfig.cache
new file mode 100644
index 0000000..9503b02
--- /dev/null
+++ b/Emne 3/test/obj/Debug/net6.0/test.genruntimeconfig.cache	
@@ -0,0 +1 @@
+0aeb3fc94929053dd3e8a02fe7483ffd8e9599b88c7b8f3dafb2aeff4770ae76
diff --git a/Emne 3/test/obj/Debug/net6.0/test.pdb b/Emne 3/test/obj/Debug/net6.0/test.pdb
new file mode 100644
index 0000000..c13db9b
Binary files /dev/null and b/Emne 3/test/obj/Debug/net6.0/test.pdb differ
diff --git a/Emne 3/test/obj/project.assets.json b/Emne 3/test/obj/project.assets.json
new file mode 100644
index 0000000..fe04bca
--- /dev/null
+++ b/Emne 3/test/obj/project.assets.json	
@@ -0,0 +1,86 @@
+{
+  "version": 3,
+  "targets": {
+    "net6.0": {}
+  },
+  "libraries": {},
+  "projectFileDependencyGroups": {
+    "net6.0": []
+  },
+  "packageFolders": {
+    "/home/geir/.nuget/packages/": {}
+  },
+  "project": {
+    "version": "1.0.0",
+    "restore": {
+      "projectUniqueName": "/home/geir/code/startit/Emne 3/test/test.csproj",
+      "projectName": "test",
+      "projectPath": "/home/geir/code/startit/Emne 3/test/test.csproj",
+      "packagesPath": "/home/geir/.nuget/packages/",
+      "outputPath": "/home/geir/code/startit/Emne 3/test/obj/",
+      "projectStyle": "PackageReference",
+      "configFilePaths": [
+        "/home/geir/.nuget/NuGet/NuGet.Config"
+      ],
+      "originalTargetFrameworks": [
+        "net6.0"
+      ],
+      "sources": {
+        "https://api.nuget.org/v3/index.json": {}
+      },
+      "frameworks": {
+        "net6.0": {
+          "targetAlias": "net6.0",
+          "projectReferences": {}
+        }
+      },
+      "warningProperties": {
+        "warnAsError": [
+          "NU1605"
+        ]
+      },
+      "restoreAuditProperties": {
+        "enableAudit": "true",
+        "auditLevel": "low",
+        "auditMode": "all"
+      },
+      "SdkAnalysisLevel": "9.0.100"
+    },
+    "frameworks": {
+      "net6.0": {
+        "targetAlias": "net6.0",
+        "imports": [
+          "net461",
+          "net462",
+          "net47",
+          "net471",
+          "net472",
+          "net48",
+          "net481"
+        ],
+        "assetTargetFallback": true,
+        "warn": true,
+        "downloadDependencies": [
+          {
+            "name": "Microsoft.AspNetCore.App.Ref",
+            "version": "[6.0.35, 6.0.35]"
+          },
+          {
+            "name": "Microsoft.NETCore.App.Host.linux-x64",
+            "version": "[6.0.35, 6.0.35]"
+          },
+          {
+            "name": "Microsoft.NETCore.App.Ref",
+            "version": "[6.0.35, 6.0.35]"
+          }
+        ],
+        "frameworkReferences": {
+          "Microsoft.NETCore.App": {
+            "privateAssets": "all"
+          }
+        },
+        "runtimeIdentifierGraphPath": "/nix/store/jkh0ali7w1ikrz7d9rbh2hdp52gdy8mn-dotnet-sdk-9.0.100-rc.2.24474.11/sdk/9.0.100-rc.2.24474.11/RuntimeIdentifierGraph.json"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/Emne 3/test/obj/project.nuget.cache b/Emne 3/test/obj/project.nuget.cache
new file mode 100644
index 0000000..472a84d
--- /dev/null
+++ b/Emne 3/test/obj/project.nuget.cache	
@@ -0,0 +1,12 @@
+{
+  "version": 2,
+  "dgSpecHash": "eAulN7AMGw0=",
+  "success": true,
+  "projectFilePath": "/home/geir/code/startit/Emne 3/test/test.csproj",
+  "expectedPackageFiles": [
+    "/home/geir/.nuget/packages/microsoft.netcore.app.ref/6.0.35/microsoft.netcore.app.ref.6.0.35.nupkg.sha512",
+    "/home/geir/.nuget/packages/microsoft.aspnetcore.app.ref/6.0.35/microsoft.aspnetcore.app.ref.6.0.35.nupkg.sha512",
+    "/home/geir/.nuget/packages/microsoft.netcore.app.host.linux-x64/6.0.35/microsoft.netcore.app.host.linux-x64.6.0.35.nupkg.sha512"
+  ],
+  "logs": []
+}
\ No newline at end of file
diff --git a/Emne 3/test/obj/test.csproj.nuget.dgspec.json b/Emne 3/test/obj/test.csproj.nuget.dgspec.json
new file mode 100644
index 0000000..896cc99
--- /dev/null
+++ b/Emne 3/test/obj/test.csproj.nuget.dgspec.json	
@@ -0,0 +1,81 @@
+{
+  "format": 1,
+  "restore": {
+    "/home/geir/code/startit/Emne 3/test/test.csproj": {}
+  },
+  "projects": {
+    "/home/geir/code/startit/Emne 3/test/test.csproj": {
+      "version": "1.0.0",
+      "restore": {
+        "projectUniqueName": "/home/geir/code/startit/Emne 3/test/test.csproj",
+        "projectName": "test",
+        "projectPath": "/home/geir/code/startit/Emne 3/test/test.csproj",
+        "packagesPath": "/home/geir/.nuget/packages/",
+        "outputPath": "/home/geir/code/startit/Emne 3/test/obj/",
+        "projectStyle": "PackageReference",
+        "configFilePaths": [
+          "/home/geir/.nuget/NuGet/NuGet.Config"
+        ],
+        "originalTargetFrameworks": [
+          "net6.0"
+        ],
+        "sources": {
+          "https://api.nuget.org/v3/index.json": {}
+        },
+        "frameworks": {
+          "net6.0": {
+            "targetAlias": "net6.0",
+            "projectReferences": {}
+          }
+        },
+        "warningProperties": {
+          "warnAsError": [
+            "NU1605"
+          ]
+        },
+        "restoreAuditProperties": {
+          "enableAudit": "true",
+          "auditLevel": "low",
+          "auditMode": "all"
+        },
+        "SdkAnalysisLevel": "9.0.100"
+      },
+      "frameworks": {
+        "net6.0": {
+          "targetAlias": "net6.0",
+          "imports": [
+            "net461",
+            "net462",
+            "net47",
+            "net471",
+            "net472",
+            "net48",
+            "net481"
+          ],
+          "assetTargetFallback": true,
+          "warn": true,
+          "downloadDependencies": [
+            {
+              "name": "Microsoft.AspNetCore.App.Ref",
+              "version": "[6.0.35, 6.0.35]"
+            },
+            {
+              "name": "Microsoft.NETCore.App.Host.linux-x64",
+              "version": "[6.0.35, 6.0.35]"
+            },
+            {
+              "name": "Microsoft.NETCore.App.Ref",
+              "version": "[6.0.35, 6.0.35]"
+            }
+          ],
+          "frameworkReferences": {
+            "Microsoft.NETCore.App": {
+              "privateAssets": "all"
+            }
+          },
+          "runtimeIdentifierGraphPath": "/nix/store/jkh0ali7w1ikrz7d9rbh2hdp52gdy8mn-dotnet-sdk-9.0.100-rc.2.24474.11/sdk/9.0.100-rc.2.24474.11/RuntimeIdentifierGraph.json"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/Emne 3/test/obj/test.csproj.nuget.g.props b/Emne 3/test/obj/test.csproj.nuget.g.props
new file mode 100644
index 0000000..09300f4
--- /dev/null
+++ b/Emne 3/test/obj/test.csproj.nuget.g.props	
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <RestoreSuccess Condition=" '$(RestoreSuccess)' == '' ">True</RestoreSuccess>
+    <RestoreTool Condition=" '$(RestoreTool)' == '' ">NuGet</RestoreTool>
+    <ProjectAssetsFile Condition=" '$(ProjectAssetsFile)' == '' ">$(MSBuildThisFileDirectory)project.assets.json</ProjectAssetsFile>
+    <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/home/geir/.nuget/packages/</NuGetPackageRoot>
+    <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/home/geir/.nuget/packages/</NuGetPackageFolders>
+    <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.12.0</NuGetToolVersion>
+  </PropertyGroup>
+  <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
+    <SourceRoot Include="/home/geir/.nuget/packages/" />
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/Emne 3/test/obj/test.csproj.nuget.g.targets b/Emne 3/test/obj/test.csproj.nuget.g.targets
new file mode 100644
index 0000000..3dc06ef
--- /dev/null
+++ b/Emne 3/test/obj/test.csproj.nuget.g.targets	
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="utf-8" standalone="no"?>
+<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" />
\ No newline at end of file
diff --git a/Emne 3/test/test.csproj b/Emne 3/test/test.csproj
new file mode 100644
index 0000000..40c60dd
--- /dev/null
+++ b/Emne 3/test/test.csproj	
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/oppgaver/checkLetters.js b/oppgaver/checkLetters.js
index dc96036..39949ce 100644
--- a/oppgaver/checkLetters.js
+++ b/oppgaver/checkLetters.js
@@ -8,7 +8,6 @@ let string2 = "The quick brown fox jumps over the lazy dog"
 
 function isPangram(str) {
     const lowerStr = str.toLowerCase();
-
     if (letters.split('').every(char => lowerStr.includes(char))){
         console.log('ja')
         return true;