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I am trying to explore javascript frameworks and I came across these popular frameworks
Angular.js
Node.js
D3.js
I tried to google it, but found very few comparisons. So can anyone explain actual difference and similarities between them?
You haven't found comparison because they don't have the same purposes. You can actually use both of them in a website.
Node.js is server-side language based on V8 that allows you to write a whole backend in JS instead of Ruby, Python, PHP or ASP.NET.
Angular.js is a frontend framework that allows you to make dynamic web application in javascript in the browser.
d3.js is to create visualizations such as graphs or charts in the browser.
For instance, I created a node.js backend, and one part serves and angular.js application that could use d3.js to make charts. The only similarity is that they rely on Javascript.
Angular.js: A framework for writing web applications.
Node.js: JavaScript as a server-side language, mainly used for the server side of real-time web applications.
D3: Create visualizations like graphs, charts and maps.
What do you need a JavaScript framework for? What do you want to build? Maybe we can give suggestions.
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I try to improve my career but at this moment I think how would I start again?
What is your opinion? What is the best way to start?
i wish to know the most relevant roadmaps in frontend developer
First of all, you must learn HTML and CSS. After doing that start learning Javascript. Then you can learn javascript frameworks like React, a free and open-source front-end JavaScript library for building user interfaces based on UI components, or Angular.
In beginning, I would suggest React as it has a large developer community and is also a bit easy to understand.
You will also need to learn about making API calls, so learn about rest APIs and postman.
Also, learn how to format the JSON you will get from the backend.
After that, you can work on learning Redux(state management tool) and typescript(a superset of JavaScript ).
TO SUM UP THE ROADMAP :
HTML
CSS
REACT/ANGULAR
REDUX
API
TYPESCRIPT (OPTIONAL)
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Guys i'm new in Nodejs,
please can it be used on the web like php?
First you decide what type of situation you have.
If you want to make shopping site, social network etc which use large data processing , then you go for node.js (for example linkedin is made in node.js ).
But if your website does not require much data processing in server side you can go for php.
Nodejs is little difficult to use but once you use it perfectly your website will run smooth.
Both are good languages.
Yes you can easily use nodejs as a server side language.
Nodejs is faster than php. You can use nodejs to speedup your loading speed of your website.
Because nodejs heavily use callbacks.
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Understood the concepts of Redux and Node theoretically - planning to use one of them? both? not sure - How do they compare to each other ? When creating a new app (using React for Example) - can we use both of them? or one of them should be enough? I am stuck with this question. What should be the criteria here? People with expertise with these technologies, please help.
nodejs is a library for writing server-side logic in javascript.
redux is a library for managing application state, either client-side or server-side.
For example, it is possible to build an application that uses redux to manage its state on the client. This application could then communicate to a server-side api that is built using nodejs. The server-side api could also be managing its local state using redux.
So you can see that the two technologies are not mutually exclusive, it is not nodejs or redux. Instead you can choose to use them for their respective purposes separately or in conjunction.
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I'm trying to develop a program like Windows Live Messenger for fun and personal use, using Node.js for the backend part of the messenger, and I've come up with two questions:
Is Node.js a good choice for backend?
Which language(s) should I use for the frontend part?
Thank you very much.
The backend language doesn't matter at all. Python, node.js, ruby, perl, c#, java, scala, golang, as long as you expose an interface that can be consumed by the client. (generally a RESTful web service interface, but it doesn't have to be.)
The frontend language depends on the target platform. You should use the native language for the client platform for the most streamlined development experience. C# for windows, Java for android, Swift for ios, javascript for web. If you want to "write once run anywhere" consider React Native.
But be aware that any "write once run anywhere" strategy is going to be plagued by hard-to-debug cross-platform bugs, in practice it's almost always cheaper to maintain a client for each platform, because it's easier to debug in the native language.
Another alternative is Ruby. With http://reactrb.org and rails you easily put together such a system. In fact the tutorial on the above site ( under docs/tutorial) is a simple chat app
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What advantages we will get if we use MEAN.js framework over our homegrown MEAN packaging? we are not going to use angular.js (A part of MEAN.js)
Will we face any API versioning issues? Will there be any issues related versioning of packages in MEAN?
Is it really complex to use MEAN.js as compared to creating own structure to use manage APIs, etc.
I was trying to create custom MEAN stack myself, but it was only a matter of time when i realized, that MEAN is not only MongoDB, Express, Angular and Node. Just look at node modules to see how many additional things there are. Authorization(passport.js), connectors, parsers, test libraries, mailer, promieses, etc. When i was starting I didn't find these tools useful, but now I would add most of them to my custom MEAN. Thats why I use MEAN.js stack
We can't possibly know whether your configuration will work better than MEAN.js because we know neither your needs, nor your configuration. MEAN.js provides an API out-of-the-box and supports scaffolding (via yeoman) which generates files and code with a single command. I am not a huge framework enthusiast in general, but I have to admit that development became much more easier and enjoyable since we switched to MEAN.js (ditching our own custom MEAN stack).