Why do i need nodejs

Npm - Node package manager is the default package manager in Node. Here, you can browse and install over 1 million open source packages. You can also use it to identify and install project dependencies. Caching is the storage of data for future requests. When a request involving the module is made, it is fetched from the cache instead of the main servers.

Thus, the app loads faster and responds quicker. You may be asking, what kind of apps can I make with Node. The answer is: Node. Below are some of the apps you can develop using Node. Looking at the rate at which Node. By offering security, scalability and performance among other things, Node.

These are a few of the main reasons behind its usage by large tech companies. Since you now know what Node. Mungai is an undergraduate majoring in Computer Science. He is a self-taught full-stack web developer who enjoys working on open-source projects and participating in development festivals. Mungai is interested in web development and machine learning. When he is not coding, he is probably biking downhill somewhere or hanging out with friends.

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Why is Node. August 13, Topics: Node. What is Node. How and why did Node. Image Source Node. Image Source According to Node. Why Node. It is easy to learn Node. The scalability offered. The many hosting providers available. Node is great for quick prototypes but I'd never use it again for anything complex. I spent 20 years developing a relationship with a compiler and I sure miss it. Node is especially painful for maintaining code that you haven't visited for awhile.

Why throw all that out? For what? And dang, when something does go south the stack traces quite often completely useless. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to decide when to use Node. Ask Question. Asked 10 years, 8 months ago.

Active 3 years ago. Viewed k times. Legend Legend k gold badges silver badges bronze badges. This question is being discussed on meta meta.

Active Oldest Votes. I look forward to reading other answers here, this is a fantastic question. Martin 5, 6 6 gold badges 38 38 silver badges 61 61 bronze badges. Benson Benson Yes, I think it is very important to think that 'node. Thanks for this Great Q and A ;- I'd also think about it in terms of mastering one great technology for both front and back-end development over a few different ones ; — Stokedout. Why use long polling?

What happened to the future and sockets? My short answer is background process. Request and response including rest API all can be achieved with any other language and server. So for those who are thinking to convert their web projects in node.

Think again its the same thing! Use the node as a background process like reading emails with imap, image processing, uploading files to cloud, or any lengthy or never ending processes which are mostly event oriented Add a comment. Plus it's all JavaScript all the time. Lingua Franca on the whole stack. Just an observation from someone switching between. Net and Node, The different languages for different areas of the system help a great deal when context-switching.

Working in Javascript throughout, I've found myself confusing the layers, or simply taking longer to context-switch. This is likely an artifact of working on the. NET stack all day and Noding at night, but it does make a difference. Interestingly, the practice of cross-cultural individuals switching dialects when moving between mainstream and native cultures is called "code-switching. Just the other day I was thinking about how I could go about assigning different colours to my different.

Green for client-side, blue for server-side. I keep getting "lost" myself. Reasons to use NodeJS: It runs Javascript, so you can use the same language on server and client, and even share some code between them e. Community Bot 1 1 1 silver badge. But one argument goes: since you should write good tests for your code regardless of the language, then your confidence level should be equal even for dynamically typed code. Some have argued that.

NET performance is comparable to Node's, but that it is crucial what you are actually doing. Node might be great at delivering little messages with many concurrent connections, but not so great for heavy mathematical calculations.

A good performance comparison would need to test a variety of situations. In addition, npm search and npm show will show you the date of the last release of a package. By comparing rails to node you're confusing a platform to a framework. Rails is a framework for Ruby just like Sails and meteor are frameworks for Javascript.

Show 3 more comments. To make it short: Node. Peter Mortensen 29k 21 21 gold badges 97 97 silver badges bronze badges. Some reasons why I chose to use Node.

There has been over visits on this website in three weeks and minimal server resources has been able to handle it all. The counter is really easy to make to be real time. There are lots of modules available for free. For example, I found a Node.

In this case, Node. Joonas Joonas 2, 5 5 gold badges 19 19 silver badges 31 31 bronze badges. How do you host something like that? Do you have to setup nodejs on the production server then? In linux? There are a few PaaSs such as nodejitsu and Heroku.

Or you can indeed set up nodejs on a linux box i. Not relevant at all. Even bash could serve that many requests, on the slowest server. Scratch server. Slowest VM. The most important reasons to start your next project using Node All the coolest dudes are into it You can hangout at the cooler and have lots of Node adventures to brag about. You're a penny pincher when it comes to cloud hosting costs. What to expect You'll feel safe and secure with Express without all the server bloatware you never needed.

Runs like a rocket and scales well. You dream it. You installed it. The node package repo npmjs. Your brain will get time warped in the land of nested callbacks Sequelize and Passport are your new API friends.

Debugging mostly async code will get umm Time for all Noders to master Typescript. Who uses it? Yes I could have answered this question in the traditional way. I think I'm qualified to do so but most of it has already been said and I thought some light hearted fun would break the monotony. I regularly contribute technical answers on other questions. CleanCrispCode: Yes indeed!

I am just putting my thought on the same: When to use Node. JS If your server side code requires very few cpu cycles. If you are from Javascript back ground and comfortable in writing Single Threaded code just like client side JS.

When NOT to use Node. Scalability Consideration with Node. JS Node. JS itself does not utilize all core of underlying system and it is single threaded by default, you have to write logic by your own to utilize multi core processor and make it multi threaded.

JS Alternatives There are other option to use in place of Node. Braiam 4, 11 11 gold badges 50 50 silver badges 73 73 bronze badges. Ajay Tiwari Ajay Tiwari 3, 1 1 gold badge 14 14 silver badges 13 13 bronze badges.

If my understanding is right, one of the strengths of the node. So Node. OndraPeterka: You are right that Node. It is non blocking IO only for incoming requests to server but not for outgoing request from your app request handler. This really boost up Node app performance at least twice.

However, I think performance should be more than twice when they stablize cluster lib. You can use node. Use fork. See stackoverflow. You only need for making one. According to the Node. Overall it increases the efficiency of the development process as it fills the gap between frontend and backend applications.

The requests in Node. Npm Node Package Manager These are the libraries which are built by the awesome community which will solve almost all the generic problems related to the Node. Npm has packages which are used in our apps to make the development process faster and more efficient. Node Modules Node. We can install some custom modules from the NPM as per the need of the application.

We can also create modules of our own and use them by importing it in our apps. Basically, the Node module is a block of code which can be used again in any node. The modules in node. Previous Node.