# generate a new react app called my-new-app npx create-react-app my-new-app # go into our newly created folder cd my-new-app # start our app yarn start npx is a tool that comes with npm 5.2+. Kickass download movies. Google apps sync for mac download. https://treeprograms757.weebly.com/mac-download-rulesref-malwarebytes.html. It let’s us grab the latest version of create-react-app and use that to install it. Step 1: Create new react project using the command: create-react-app myApp. Step 2: cd myApp. Step 3: GitLab installation. Visit and log in. The best 3d modeling software for mac. If you are a PRO user, you should receive an email (from GitLab) with an activation link, after purchase ( please check your spam folder as well ). Just make sure to first install the global Yarn binary that we will use to spawn the local ones: npm install -g yarn Once you've followed the instructions (running yarn -version from your home directory should yield something like 1.22.0 ), go to the next section to see how to actually enable Yarn 2 on your project. Vagrant ssh and install npm, yarn, and create-react-app. Export PATH' to /.bashprofile.bashprofile npm install -g create-react-app. I tried it in my mac. Ithaca model 37 serial number location.
Today you will learn how to
Prerequisites
1. Have a basic understanding of Javascript & HTML
3. Have Node.js & NPM (or Yarn) installed
Node can be easily installed for mac, windows, or linux by going to nodejs.org and selecting the installer for your machine.
You’ll want to ensure that you have Node 8.1 or greater.
Yarn is optional, I use instead of npm. To install yarn on mac, you can use Homebrew.
Today we will be building a function component that renders some JSX to our browser. We will be making a simple Grocery List component.
What is React?
React is a javascript framework that makes building UI components in a browser seamless. React uses what is called JSX, which allows you to combine javascript and html code. JSX gives us the ability to inject html into our javascript.
Create React App
We’re going to be using create-react-app, create react app is react’s boiler plate project that comes with all the packages you need to start developing your react project. If you’re interested in learning more about how it works I’d suggest visiting create-react-app.dev and look through their documentation.
Yarn Install Create React AppLets get startedNpm Install Create React App
The first thing you’ll want to do is open your terminal, we’ll be running some commands to build the create-react-app project along with running the project so that we can view it in our browser.
Npm Install Create-react-app Yarn Macrame
The third argument represents a project name, your project will live in a folder with the name you gave it. ex. first-project
Next, change directories into your project folder. To do that, run:
We need to install node-sass in order for scss styling, if you use css you can skip this step. To install the dependency with yarn, run:
If you prefer npm, run:
This will run on port 3000 by default, if you already have something running it will as if it can run on the next available port.
Now, open your browser and go to localhost:3000
You now should see the default create-react-app.
Let’s Start Coding!![]()
We want to remove the default UI that’s in create-react-app. Open your project in an IDE and go to App.js in the src/ directory.
Remove the contents of App.js
Next, we’re going to make our first component, I personally like to create my components in a components folder.
Then, inside that folder is where our components will live. Create a new directory called GroceryList, and inside grocery list create an index.js file. This is where we will be writing our component code.
Now we can start writing our component. We will be using a functional component and it will literally be a function that returns JSX code, which is a mixture of html and javascript. In order for us to render that jsx and show it in the browser, we need to make sure we write it in the return statement of the function.
First I’m going to create and outer <div> and give it a class name of the component which is grocery-list. I usually write my classnames all lowercase separated by dashes. Some like to use camel case, snake case, it’s up to you.
Inside of this div you’ll want to create some header text inside of an <h2> tag.
Now we want to start building our grocery list. We can simply create check boxes and labels using html’s input and label tag, and that will give the appearance of a checkable grocery list.
You should now see something like this in your browser:
Next, we’ll want to wrap the check boxes in a <div> container so that we can target the checklist section of the html with our scss styling. Wrap the <input/> and <label> tags with a <div>, with the className of ‘grocery-list-container’.
To center and align the checkboxes, add the following code to your styles.scss file.
Lastly, we’ll want to import this GroceryList component in App.js so we can see it in our browser. Your App.js should look like this:
And that is how you build a component using React!
If you have any questions or concerns, leave a comment, or reach out to me via LinkedIn.
Github: https://github.com/chandlerkeyes
Repo: https://github.com/chandlerkeyes/ReactBasics1
YouTubeChannel: https://www.youtube.com/channel/UCkeSKp49ycaZRlGKkCRRi1g
SOURCES:
https://create-react-app.dev/docs/getting-started/
https://www.npmjs.com/
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