Why Is JavaScript a Misunderstood Programming Language?

Java Script- Is a web library or language? Many times we find this query on internet. Developers usually have a perception about JavaScript that it is a web library but the fact is different. JavaScript is a fully fledged language!! We will discuss about this in latter section of this topic. But, for the time being we have to admit the importance of JavaScript in web development because, it is next to impossible for a web developer to develop enterprise standard dynamic web application without the help of JavaScript. JavaScript is extremely useful in developing interactive and dynamic web applications which are the key success factor the modern web application.

Importance of JavaScript in front end web development: Without JavaScript, the web page is like a dead page; because, we can’t see any dynamic effects or attractive visual effects on the web page. For a Dynamic web page, we must implement JavaScript in our web application. Moreover with the changing environment, it is really has a tremendous impact on the web industry while building web applications for the future ready devices like smart phones and tablets. JavaScript developers help the web page to come alive with its eye catching stupendous effects that will definitely enhance the user experience.

Why JavaScript is more known as a frontend tool: Web developers can’t think about dynamic web page development without JavaScript. From this, we can understand the priority of JavaScript in the industry. Well, there are hundreds of JavaScript libraries that can be used by the JavaScript developers for different interactive visual effects on the web page. Moreover, web developer understands the power of JavaScript for fast web application. Yes!! JavaScript is superfast. The run time of JavaScript is just lightening fast and hence, it has more priority on front end web development; because, the end user experience of any application decides the fate of any application. So, web developers take the advantage of speed of JavaScript while developing frontend user interface.

Moreover, there are many free JavaScript modules available in the web that can be integrated to your web application to give a new look and feel to the website. Many plugins are there which can definitely help the web developers in developing quick web application with same efficiency as expected.

Does it have the potential that of a fully fledged language: Well, JavaScript has popularity of being a front end language or tool. But, it is a fully fledged language just like C, C++, Java or .Net!! It can do all tasks what C++ or Java can do!! Moreover, you can develop an entire website using JavaScript!!! There are many modern frameworks which are developed in JavaScript are fully loaded to support all types of web services that may required during web application development.

So, You can do backend programming with JavaScript: JavaScript frameworks like AngularJS, nodeJS etc encourages the web developers or JavaScript developers to build enterprise standard web applications without any need of backend programming language like Java, .Net or PHP etc. All these frameworks have the potential to write and build backend development using just JavaScript only!! Moreover, these JavaScript frameworks are gaining a stupendous popularity in recent period due to much faster web application produced from them because, user demands fast web application for their smart phone and tablets. So, we can see a bright future of JavaScript as a fully fledged language in the industry. This would help you leverage the benefits of JavaScript programming.

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An Introduction to AngularJS

AngularJS can be described as a widely used, open source, structured JavaScript framework that is maintained by Google. Along with being written in JavaScript, the library is also distributed as a JavaScript file. So the web programmers can simply use the <script> tag to add AngularJS to any web page.

At the same time, they also have option to use the framework with a wide range of technologies. Further, it handles JavaScript code automatically according to the type and version of the web browser. That is why; AngularJS makes it easier for developers to create rich internet applications compatible across different web browsers.

Important AngularJS Features to Create Awesome Web Applications

Modules: The developers can use AngularJS modules to divide the web application into small and functional components. The components can be reused and integrated with other internet apps. Each module needs to have a unique name. The developers can define a variety of components inside the module including controllers, filters, directives and services.

Directives: The programmers also have option to extend the HTML vocabulary by using AngularJS directives. Along with adding new behavior to HTML elements, the directives can also be used to manipulate their attributes. The developers can further create custom directives, along with using ng-model, ng-controller, ng-repeat, ng-app and other built-in directives.

Model, View and Controller (MVC): Despite being a MVC web development framework, AngularJS supports the development paradigm in an innovative way. As plan JavaScript objects, models represent the data used by the web application. The controller contains the business logic for the view, and hence controls the application’s behavior. On the other hand, view displays and presents the model data to end users. Thus, the framework simplifies development of large and complex applications by allowing programmers to keep the business logic and presentation separate.

Templates: Despite being plain HTML, the AngularJS templates contain specific attributes and elements. For instance, developers can define filters, form controls, directive, angular markup and similar angular elements and attributes in the Angular templates. These templates can be further used to display information from the view and controller.

Scope: As an object, scope acts as glue between view and controller, while referring to the application model. The scopes follow the AngularJS application’s DOM structure, while being hierarchical in nature. However, each AngularJS application can have a single scope ($rootscope) that needs to be mapped to the ng-app directive element. Scope is used frequently by web developers as a context to evaluate expressions.

Validations: AngularJS enables developers to create interactive and responsive HTML5 forms by using validations. It allows programmers to use a number of built-in validation directives. The validation directives are designed based on HTML5 form validators, and can be used to validate forms efficiently. The programmers can further create custom validation directives.

Filters: Before displaying the data to the end-users, the application needs to format the data. AngularJS filters are used to format the data before being displayed to users. The framework allows developers to create custom filters, along with using a set of built-in filers like date, number, currency, lowercase, uppercase and orderby.

Services: AngularJS services can be defined as singleton objects that can be used by programmers to organize, share and reuse code across the web app. The services can be injected into filters, directives and controls. The framework provides a set of built-in services like $http, $window, $parse, $provide, and $resource, while allowing programmers to create custom services.

As it is a JavaScript framework, AngularJS lacks the server side authentication and validation features. So it cannot be used individually to create secure internet applications. Further, the code written in AngularJS will become ineffective if the user disable JavaScript. This would help you leverage the benefits of JavaScript programming.

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The Irony of JavaScript's Success

As a hugely popular coding language, JavaScript is commonly used along with HTML language to develop all types of websites. Many experts even include JavaScript in the list of top ten widely used programming languages. Despite having similarity in syntax to Java, the interpreted computer programming language allows developers to develop cross platform web application. However, the popularity of JavaScript was affected temporarily due to launch of specialized web application development platforms by large companies like Microsoft.

As each user has options to choose from a range of operating systems, web browsers, and devices; most developers, nowadays, use JavaScript as a powerful cross platform programming language. Also, each developer has option to choose from a number of cross platform versions of JavaScript, to target all major platforms including Mac, Windows and Linux. The similarity of its syntax to C, C++, C#, and Java further makes it easier for the code writers to write programs without putting much time and effort.

What Makes JavaScript Popular as a Cross Platform Programming Language

Making Websites Interactive: The frequently changing web browsing habits of users have made it essential for businesses to develop engaging and interactive website. As a flexible language, JavaScript enables you to make your website more interactive in adding drop-down menus and specialized text effects. At the same time, the powerful scripting language can also be used to develop interactive games, and full JavaScript chat rooms. Some of these features can also be used to improve the user experience by optimizing the navigation options that will encourage users to access the web application regularly.

Compatibility with Major Web Browsers and Operating Systems: No developer can decide the way a user will access the web application. But each developer has to ensure that the application can be accessed with major operating systems and web browsers. As major web browsers like Internet Explorer, Mozilla Firefox, and Google Chrome have built-in support for JavaScript; the end users can access the website without downloading any additional software or plug-ins. However, the script will change the look of your website based on the web browser used by the end-user. Regardless of their choice of websites, the users can enjoy the interactivity of the website. Also, a user also has option to turn the JavaScript code on and off to suit his requirements.

Reducing the Web Server Load: Often webmasters and website developers look for options to reduce the web server load. Some web application development platforms like Microsoft Dot Net allows you to develop server-side controls. But developers still use JavaScript a dynamic client-side scripting language, The features further contribute towards loading and executing web pages directly on the web browser, without waiting for response for the server. The web browser will automatically download and launch JavaScript, and display the web pages to the user within a few seconds.

Special Compilers Not Required: Unlike some other programming languages, JavaScript does not require any special compiler or editor to run. So a developer can easily learn the coding language without putting any additional time and effort. You can simply use Notepad, WordPad or any other text editor, and write the JavaScript code to achieve certain objectives. At the same time, the JavaScript code can also be inserted directly into HTML pages of a website. Further, the code can be uploaded to the web without using any specialized software or script.

Already Integrated with Popular Web Technologies: The huge popularity of JavaScript has encouraged many companies to incorporate the scripting language with other technologies. For instance, the animation technology Flash integrates JavaScript into its XML-based technology. Similarly, JavaScript is also supported in PDF files by popular Adobe products like Acrobat and Adobe Reader. Further, JavaScript can easily interact with control java applets used in designing a web page. So a developer can use these advanced technologies to design interactive website as well as powerful internet applications.

Before few years, many developers were using JavaScript to control the look and presentation of web pages and that marked the beginning of Javascript web development evolution. Normally, the scripting language was used for randomization of content, validating web forms, controlling cookies, and adding visual tricks to a web page. But the developers, now, use JavaScript as a full-featured and powerful language to develop web application compatible with major web browsers, operating systems and devices.

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