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These are a series of javascript exercises intended to be used alongside the curriculum at 'The Odin Project'. They start simple and easy, but get more complex and involved as you progress through them. These are a series of JavaScript exercises intended to be used alongside the curriculum at 'The Odin Project'. They start simple and easy but get more complex and involved as you progress through them.
There will eventually be a suggested order of completion, but at this time since we are still in the process of creating more exercises the order is subject to change and has not yet been specified. However, there are a few exercises which make a good "starting point". Feel free to at least start with these: There will eventually be a suggested order of completion, but at this time since we are still in the process of creating more exercises the order is subject to change and has not yet been specified. However, there are a few exercises that make a good "starting point". Feel free to at least start with these:
1. Hello World 1. Hello World
1. Repeat String 2. Repeat String
1. Reverse String 3. Reverse String
## HOW TO USE THESE EXERCISES ## How To Use These Exercises
Before you start you should have a few things installed on your machine: Before you start you should have a few things installed on your machine:
1. NPM. To check if you have NPM, type `npm --version` in a terminal. If you get back `Command 'npm' not found, but can be installed with:`, do NOT follow the instructions in the terminal to install with `apt-get` (this causes permission issues). Instead, install NPM/Node with NVM by following the instructions [here](https://github.com/TheOdinProject/curriculum/blob/master/foundations/installations/installing_node.md). 1. NPM. To check if you have NPM installed, type `npm --version` in your terminal. If you get back `Command 'npm' not found, but can be installed with:`, do NOT follow the instructions in the terminal to install with `apt-get`. (This causes permission issues.) Instead, install Node with NVM by following the instructions [here](https://github.com/TheOdinProject/curriculum/blob/master/foundations/installations/installing_node.md).
3. Jasmine. Jasmine is a testing framework for Javascript. Type `jasmine -v` to check for it. If you need to install it, type `npm install -g jasmine` to do so. 2. Jasmine. Jasmine is a testing framework for JavaScript. Type `jasmine -v` to check for it. If you need to install it, type `npm install -g jasmine` to do so.
4. Clone this repo and get started. 3. A copy of this repository. Copies of repositories on your machine are called clones. If you need help cloning, you can learn how [here](https://docs.github.com/en/free-pro-team@latest/github/creating-cloning-and-archiving-repositories/duplicating-a-repository)
Each exercise includes 3 files, a markdown file with a description of the task, an empty (or mostly empty) javascript file, and a set of tests. To complete the exercise go to the exercise directory with `cd helloWorld` in a terminal and run `jasmine filename.spec.js`. This should find and run the test file and show you the output. Upon first running the tests you will find that the tests fail: this is by design! Your task is to open up the javascript file and write the code needed to get all of the tests to pass. Some of the exercises have test conditions defined in the spec file that are defined as 'xit' compared to 'it'. This is purposeful, and as you test your solution against the first 'it', on success you will change the next 'xit' to an 'it' and test your code again, until all conditions are satisfied. Each exercise includes 3 files: a markdown file with a description of the task, an empty (or mostly empty) JavaScript file, and a set of tests. To complete an exercise, you'll need to go to the exercise directory with `cd exerciseName` in the terminal and run `jasmine exerciseName.spec.js`. This should run the test file and show you the output. When you first run a test, it will fail. This is by design! You must open the exercise file and write the code needed to get the test to pass. Some of the exercises have test conditions defined in their spec file that are defined as 'xit' compared to 'it'. This is purposeful. After you pass your first 'it', you will change the next 'xit' to an 'it' and test your code again. You'll do this until all conditions are satisfied.
The first exercise, `helloWorld` will walk you through the process in more depth. The first exercise, `helloWorld`, will walk you through the process in-depth.
## Solutions ## Solutions
Solutions for these exercises can be found in this repo on the 'solutions' branch. Solutions for these exercises can be found in this repo on the 'solutions' branch.
## a quick note! ## A quick note!
The generator exercise is not actually an exercise… it is a script that generates exercises. I was using it when I wrote them so I didn’t have to hack out the same boilerplate code every time I wrote a new one. The exercise `generator-exercise` is not actually an exercise; it is a script that generates exercises. It was created to help efficiently write these exercises.