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In this tutorial, i am going to tell you how to install Node js in Mac OS. But before that let us understand what Node js is and why should we use it?
The new feature that made Node so popular is that it allows JavaScript to run basically on all machines — which means the browser is no longer a restriction for the execution of JavaScript. It’s save to say that Node is the best choice when building a simple server for all kind of web apps. So let’s install it. MindNode is $20 for the Mac app, and $10 for the iPhone/iPad app. Advertisement Now that you’ve seen the top five, it’s time to put them to an all out vote to determine the community favorite. But because Node.js can be used on your desktop computer, programmers have created useful Node-based tools that help with the process of building web sites. Download Node Js For Mac. But before you can use Node.js or NPM you need to install them — while the NodeJS website includes an installer, there’s a better way to install them on a Mac. In this section you will create three simple Node.js apps. https://yellowcaddy964.weebly.com/blog/garmin-gps-app-mac. One of them will just connect to the database, the second will perform basic Insert, Update, Delete, and Select, and the third one will make use of Sequelize, one of the most popular Node.js Object-relational mappers, to execute the same operations.
Node js is a javascript run time environment, and it is built on Chrome’s v8 engine. It executes a javascript programme in the browser. Node js has provided superpowers to javascript as other programming languages have.
Why should we use Node JS?
Every programming language has its own benefits, when we talk about Node js, it was developed considering better performance and scalability for software applications. It’s a power-packed tool which is used for large and complex web and mobile applications.
![Apps Apps](/uploads/1/3/4/0/134068863/589959571.png)
Here are the few reasons to use Node JS.
- It is fast and easy.
- Large single free code base.
- It is fast because of Google support
- It can be used client and server side.
- It supports Mac OS, Windows and Linux.
- Best for building games and chat apps.
- It’s a best used free server side language.
- It is best for enterprise level web applications.
- Code execution is better than other programming languages.
- It enhances the effectiveness of front-end and back-end development.
How to Install Node js in Mac OS?
Head over to node js official website and download the node js installer. You’ll see a few versions, but I would suggest downloading the recommended version.
Once your installer is downloaded, then click on it and let the install wizard do its work. It’ll install both Node and NPM (node package manager), NPM allows us to install other packages in the node_modules folder.
https://yellowcaddy964.weebly.com/progress-bar-app-mac.html. Then accept the agreement and install the node js in your mac os.
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Finally it will ask you to make sure /usr/local/bin is in your
$PATH
. Run the command to check the path.![Popular mac node apps download Popular mac node apps download](/uploads/1/3/4/0/134068863/277360994.jpg)
Use the below method to check whether Node js working correctly or not by using below commands.
Press
‘control’ + ‘c’
twice to come out from the node terminal.Run the following command to check the node version.
In this section you will create three simple Node.js apps. One of them will just connect to the database, the second will perform basic Insert, Update, Delete, and Select, and the third one will make use of Sequelize, one of the most popular Node.js Object-relational mappers, to execute the same operations.
Step 2.1 Create a Node.js app that connects to SQL Server and executes queries
Create a new project directory and initialize Node dependencies.
Create a database that will be used for the rest of this tutorial by connecting to SQL Server using sqlcmd and executing the following statement.
Now you will create a simple Node.js app that connects to SQL Server.
Using your favorite editor, create a file named connect.js in the SqlServerSample folder. Copy and paste the below contents into the file.
Run the application.
Using your favorite text editor, create a file called CreateTestData.sql in the SqlServerSample folder. Copy and paste the following the T-SQL code inside it. This will create a schema, table, and insert a few rows. Onenote modern app mac.
Connect to the database using sqlcmd and run the SQL script to create the schema, table, and insert some rows.
Using your favorite text editor, create a new file called crud.js in the SqlServerSample folder. Copy and paste the following code inside it. This will insert, update, delete, and read a few rows.
Run the crud.js app to see the results
Step 2.2 Create a Node.js app that connects to SQL Server using the popular Sequelize ORM
Create the app directory and initialize Node dependencies.
Run Node App
- Open your favourite text editor and create the file orm.js in the directory SqlServerSequelizeSample.
- Paste the contents below into orm.js
- Update the variable for password to use your own password specified in the first module.
- Save and close orm.js
Run the orm.js app
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Congratulations! You created your first two Node.js apps with SQL Server! Check out the next section to learn about how you can make your Node.js apps faster with SQL Server’s Columnstore feature