5 reasons why JavaScript is so popular :)

Have you ever wondered, why JavaScript is such a popular language? What are the reasons so many programmers want to learn it? And why most of the software houses offer their services connected to JavaScript? The answer is pretty simple. We have divided it into 5 most important elements that make JavaScript so popular.

JavaScript mastered the internet

When surfing websites, you are most likely to use browsers. It does not matter whether it is a daily news site, YouTube or a theme blog. You certainly use these browsers for any kind of activities and JavaScript is closely related to them. You can call it the most favorite field of action of this language. Therefore, it is currently difficult to imagine the internet without JavaScript as the abovementioned sites are created on its basis.

A quick start

To start your work in other programming languages, you will need a compiler or interpreter. JavaScript makes this process much simpler. Whilst in a browser, just press the “F12” key and the console will appear on your screen. Among others this function is possible on the most popular browsers, such as Google Chrome or Mozilla Firefox. After the console is displayed, you can start working.

An extensive community

There are lots of studies, guides and instructions related to this language that are available on the internet. Thus JavaScript has a huge public knowledge base that developers can use. Which will come in handy as, in case of any problems, you can find the right solution on the internet in a relatively easy way. Isn’t this a big advantage, especially for novice developers?

Frameworks

JavaScript has several extensive and practical frameworks. Angular, React.js and Vue js. are among the most popular ones. It’s good to know that such global giants as Google and Facebook have contributed to their creation. It is also a guarantee that they still will be developed, so JavaScript will stay among the most attractive programming languages.

Versatility

JavaScript is considered to be one of the most universal languages. Why? First of all, it offers a very wide range of functionality. It allows you to write simple scripts using which you can edit the content of websites. But more advanced functions are acceptable as well. For instance, you can build advanced web applications.

First aid for broken JavaScript dependencies :)

I would like to write about JavaScript dependencies. But let’s start from the beginning. If you are a software developer, then you probably already know, that one of your many roles is definitely not to be yet another wheel inventor. At least, not in most of the cases. World has proceeded far enough to say that today there exist packages for almost everything, making our development easier and more efficient.

This of course is not an encouragement for losing interest in other issues – every package has quite a large space to improve and evolve. However, your business goal is to bring a complete product on a plate just on time or even before it is up. Packages will help you fulfill those plans, bringing npm or yarn on the top of your best friends’ list, but be aware: any solution, as well as this one, may also bring risk. And we will try to describe it and show you a better way of getting away with it in the article below.

Let’s start with a story…

Imagine a large JavaScript project. Business requirement obligates developers to use a specific package, allowing a proper integration with another system of a client. And that is completely fine. MVP has been brought on time, next contract has been signed and development is carried on. Client asks to integrate the next part of a system, which requires your package update.

This part goes well, until tests are fired. It seems that the package contains a simple, but inconvenient bug, that has not yet been fixed in any product release and it is known that this won’t happen soon enough. You cannot just fix your node_modules directory – it should be removed out from your repository from tracking, therefore your collaborators will never know anything about your changes! Well, while you were reading this, probably you have already understood what to do – fork. But do you really need such a hammer?

Understand your problem

You must be aware, if the problem you are facing with is going to involve just you or a larger community. Sometimes, people interpret lack of certain functionality as a bug, which is not always correct. Therefore, your solution may not be accepted by a community and not included into an official repository. However, you still need it here and now. Well, let’s patch it!

According to the release notes of github repository, patch-package was released officially in May 2017. It is a powerful tool, that allows modifications inside dependency project to be installed in your node_modules directory. Some may say that this is quite a madness – firing install command your dependence manager will overwrite the changes.

Well, this is correct. However, a patch-package coexists with npm and yarn perfectly (I must admit it works slightly better with npm so far, you can read more in “Why you should use postinstall-prepare with Yarn?” section of README file) and takes full advantage of a script preparation (“script”: { “prepare”:“”}) of your package.json file. Patch-package literally creates a diff directory between your changes and the original package, stored in the patch folder of your actual project.

After running install command and downloading all dependencies, it applies that difference to the project directory, making a perfect reconstruction of your changes for all collaborators. It makes your life simpler, doesn’t it? The solution has some disadvantages as well. The patch-package cannot fix dependencies of your package or make any changes in package.json.

In this case you may use the fork solution. Also, you must consider the number of changes you are about to apply into your dependency package and whether they will grow in time. In case the will – you should think carefully when using fork, as this is a project of your own.

Don’t be selfish!

Patching is a great way to fix your dependencies without creating endless forks and generating multiple project sources. But you should always remember, that taking advantage of community should not be a one-directional. If you find a bug or feel like you can improve the package you’re using, you should always consider helping others by registering an issue or even by contributing to the project!

What is React js. and why is it framework so popular? :)

Many developers consider React js. to be the most popular JavaScript (JS) programming language library. It is used to create graphical interfaces for web applications. In this article, we will present its most characteristic features and examples of application.

In previous publications you had an opportunity to check what the Vue js. framework is and learn about the advantages and disadvantages of JavaScript. Now it’s time for React js. – so much praised and appreciated by developers. Let’s start with the question, where does its popularity come from? In principle, the answers can be given in one word. It’s all about versatility. Developers praise this library for the lack of restrictions and freedom at work. That’s just the title of the introduction and now it’s time to know its detailed specifics.

Basic information

Creating applications in React js. consists of building and composing further components. This is a very simple definition that shows the way it works. It should be emphasized that this library is responsible only for the view of the application. Therefore, this is not a type of MVC – Model – View – Controller.

React js., in context of the other JavaScript frameworks, is distinguished by a declarative code. Once written, a component can be re-used in future. It is enough to import it using the appropriate code. This code is very fast as it is supported by Virtual DOM. Thanks to it, rendering in the browser is significantly accelerated.

Developers also appreciate the opportunity to access broad communities that not only grant technical support, but also provide ready-made solutions. In addition, the coding in React js. comes as relatively pleasant. It’s enough to get to know this library to see it for yourself.

Advantages and disadvantages

Like any other library or framework React js. has its pros and cons. The advantages include using the library on both client’s and server’s sides. Let us mention that React js. can be used simultaneously with other frameworks, which undoubtedly contributes to the advantages. What else? First of all, the fact that the components and data patterns provide high readability of the code and thus facilitate the work with large applications.

In turn, much less can be said when it comes to defects. Nevertheless, it should be remembered that React js. supports only the view layer. That is why to make a complete set of data for creating applications it is necessary to use another technology. From the developer’s point of view, the problem may also be placing “inline” forms and using JSX, which is not understandable for programmers who have not had an access to this library before.

Application examples

Such services as Netflix, PayPal, Facebook, Instagram, Udemy and Gamepedia were created using React js. The list undoubtedly looks impressive. These examples can only confirm that the popularity of the library is fully justified. React js. it is not only effective, but also very functional.

Why is Vue.js framework so effective? :)

In previous articles we presented the most popular JavaSript frameworks. This time, we will take a closer look at one of them – Vue js. This choice is not accidental, as Vue js. is getting better and better in comparison to other JS frameworks and regularly gains new supporters.

Let us start with a brief reminder of what Vue js actually is. It is an open – source framework, which is used to build interfaces and Single Page Applications (SPA). It is considered the third JavaScript framework in terms of use – it is just behind React js. and Angular. Vue js is distinguished by simplicity, a relatively low entry barrier and a dynamically developing community.

Vue js. is a very friendly framework for the beginners. It does not require the build system usage. To start the first work just add the <script> tag to the html. file and then you can move on to creating the first application. You do not need to have any special knowledge from the beginning. There are many courses available on the web that can help you take your first steps in Vue js. In addition, to the simplicity and low barrier of entry, you can still add good documentation and performance to its most important advantages.

Let’s also pay attention to its templates, reactivity, transitions, routing and components Vue js work is directly related to. This framework includes a dedicated routing solution that allows you to create a SPA. Furthermore, Vue js. has useful components that can be used after being added to other components. In this way, it is possible to provide specific developers with other functionalities. In addition, it is worth mentioning that Vue js. supports server side – rendering, animations and many more.

OUR OPINION

Vue js. is undoubtedly a very dynamically developing JavaScript framework. We expect that in the nearest future its popularity will continue to grow and a wide and active community will support developer beginners. On the other hand, you should remember about the performance of Vue js. and its simplicity. These are also very important features that in many cases determine the selection of this framework for the specific projects implementation.

Of course, Vue js. it will not always be perfect. It all depends on the type of work and the developer’s assessment. However, it is certainly a framework that is worth bearing in mind.

Advantages and disadvantages of JavaScript :)

Why is JavaScript (JS) so popular and is widely used by developers? You will find the answer in an article below. We have collected all the pros and cons of JS, which in our opinion are the most important. One can get an impression that we’ve found more advantages to the JavaScript than drawbacks. What are we talking about? Check it out by yourself.

Advantages:

1. A huge community. You can easily find help or solutions from other people on online forums about JavaScript.

2. Global companies support community development by creating projects that are very important to it. A good example is Google (created Angular framework) or Facebook (created the React.js framework).

3. There are many open source projects that provide an invaluable help at the developer’s work in JavaScript.

4. There are many available courses in the field of JavaScript, thanks to which you can quickly and easily expand your knowledge of this programming language.

5. Dynamic development. The dynamic development of JavaScript, appreciated by many programmers, couldn’t be left unnoticed. Undoubtedly there are opponents to JS, but there are more developers evaluating this language positively.

6. Monopoly in web browsers. In principle, JS technology does not have any competition in this aspect. Browsers understand this language; thanks to which you can make any changes you require with JS.

7. Relatively low entry threshold. It is not difficult to start working in JavaScript. For this reason, many people choose to start their adventure with the IT sector from learning this language.

8. Popularity. Plenty of projects are created using JavaScript. This fact makes it currently one of the most popular programming languages. Such a tendency always has a good effect on the future development of the language.

Disadvantages:

1. No static typing. This may make it difficult to develop large applications, although you can also use the TypeScript overlay.

2. Tedious configuration. This applies to larger front-end projects. Configuration can be tedious due to the number of tools that need to work together to create an environment for such a project. This is directly related to the libraries operation.

3. Libraries. If the application depends on the code of many other projects (so-called libraries), then it is difficult to keep them in current versions as they quickly change and this may cause the need to adapt to the project.