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Javascript Programming

Presentation level in website design



As we all know, there are always two sides to every web design. The visual side that all users see, with all the graphical elements, buttons, images and the side behind them, which is the code that is responsible for the functionality of the website. How to achieve balance?

The permissive side does not contain only one type of code, but includes different ones. First of all, it is HTML code that creates the basis for embedding CSS (Cascading Style Sheets) or programming languages ​​such as PHP. In other words, HTML is used to structure the content on a page, while CSS allows you to process your website content and style separately from it, and programming languages ​​transmit instructions to the computer.

HTML itself does not support effects such as dropdown menus or carousels. There is code specifically for the user interface, while other code is used to process the data and connect to the database. The “presentation layer” refers to the graphical interface as well as the code that supports it, including the code that controls interactive elements such as drop-down menus.

Presentation code includes:

  • HTML and HTML 5
  • CSS
  • Scripting languages ​​such as JavaScript, jQuery, and Ajax.

Usually, all of these languages ​​are skillfully woven together to create a visually appealing and highly functional website design.

one. Creating a multimedia interface

Animated and immersive designs are achieved through the use of either Adobe Flash or a mix of HTML, CSS, and other scripting languages ​​mixed together.

For many years, Adobe Flash led the way, but that began to change. Nowadays, with the development of HTML 5 and CSS, we can reproduce most of the interactive and animation effects.

HTML 5, the latest revision of HTML, has taken a huge step forward in terms of presentation tier design capabilities. It provides an improved set of elements and properties and addresses the way designers work and how they are used. For example, it allows designers to define a navigation group with a new “nav” instead of the previously used “div” element. The animation and interactive design support features in HTML5 have also improved dramatically, and the fact that HTML5 is supported in mobile browsers such as Apple’s Safari has opened up the possibilities for web design.

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A few words about Adobe Flash

Flash is an animation and interactive technology that allows you to create a highly immersive interface. When it comes to embedding a Flash element into a website design, the process is quite simple. A component developed in Adobe Flash is exported as a separate .swf file, and just like an image, a .swf file is embedded in an HTML page. The .swf file can be either a small part of the page, or literally the entire interface. It should be noted that the Flash player must be installed in the browser to view the page containing the .swf component.

While it can create an impressive user experience, there are some drawbacks to using Flash. Most notably, Apple’s mobile platform simply doesn’t support Flash files. Therefore, a website built in Flash should offer an alternative version of the site for mobile viewers (Apple) (of course, only if the market is important enough for them). Prompting the user to download the latest Flash player on the iPhone has nothing to do with the button, because even if they downloaded Flash, the site would still be unavailable.

HTML5 – Alternative to Flash

As mentioned earlier, the combination of HTML 5, CSS, and jQuery now allows for the rendering of animated websites that were only possible in Flash. Using the canvas element is now much easier than ever to create a rich and animated user interface. Most modern desktop and mobile browsers support the HTML5 standard, which allows you to create designs that work on multiple platforms.

1.1 DHTML, JavaScript, jQuery and Ajax

Keep in mind that HTML simply forms the structure of the content. Intertwined with this framework are scripting languages ​​such as JavaScript, Ajax, and jQuery that control the behavior of user interface elements and the content displayed on the page.

See also  The rapidly changing landscape of mobile HTML5

JavaScript is a dynamic scripting language capable of creating complex animation and interaction effects, such as creating a dropdown menu or expanding window layer. It allows you to interact with the user, control the browser, and change the displayed content of a web page. When JavaScript is embedded in HTML, that HTML is called “DHTML”. Dynamic HTML (DHTML) lets you create interesting interactive components and animations.

jQuery is a simplified form of JavaScript that focuses on commonly used interactions between JavaScript and HTML. It is designed to make it easier to navigate a web page. jQuery is free and open source software available on the web. You can copy and paste the ready-made scripts into your web pages and customize them for your own purposes. Using jQuery, you can create animation and interaction effects with much less code than you would with JavaScript.

Examples of jQuery effects:

  • Unfolding and minimizing by windows
  • Rotate the carousel image
  • Zoom in on hover, etc.

Ajax (Asynchronous JavaScript and XML) allows you to process data, such as sending or receiving data, in the background (asynchronously) without interfering with the display or behavior of the web page. Therefore, reloading the page or clicking the refresh button is not required and the data on the page can be refreshed / refreshed automatically.

1.2 Advanced CSS graphic effects

Previously, we used bitmap graphics such as jpeg or gif to create a graphic element such as a button. Not only do they increase web page load times, but they also have to be created by designers who are familiar with software like Photoshop, and then need to be manually changed every time you want to change the look of the site.

Currently, CSS offers more and more stylistic control over the appearance of elements. You can now add gradations, rounded corners, reflections, and soft shadows to text and elements simply with code.

There are quite a few useful CSS graphical style controls that we can implement to avoid using bitmap graphics when creating a user interface.

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Benefits of using CSS for our user interface:

  • Faster loading – CSS code is written only once and can be applied as a style to any graphic or text element;
  • Scalable Design – CSS code allows you to apply scalable attributes to fonts and elements;
  • Ease of maintenance – to change the size, color and visuals of a button, text or design element, we simply change the values ​​in the CSS code, and this change will be applied to all elements assigned a specific style. ;
  • Accessibility – In CSS, we use actual text for our buttons and interface elements, and they are labeled and identified in a way that screen readers can digest and translate for users who rely on such devices.

1.3 Adaptive design

The most recent trend in website design is “responsive design”. It is an approach to building websites in a way that provides the best browsing experience, readability, and navigation across a wide range of devices. When the user resizes their browser window, the web page is immediately refreshed to optimally reflect the “viewing port” size. Viewport is a new term that designers are using to refer not only to the different sizes of desktop browsers, but also mobile devices, which all have different fixed screen sizes.

Responsive design is possible thanks to the “media queries” part of the CSS3 specification. It recognizes the size of the browser and tells the page to load the appropriate stylesheet, such as widescreen.css or mobilescreen.css. This is possible because different style sheets contain different layout systems, font sizes, and image optimization settings.

Last but not least, it is about creating creative ideas for the user interface. There are many ideas for inspiration on the internet. It would be a good idea to review the best design practices, break them down into key elements, and see how some of them can be adapted for our own application.

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Javascript Programming

The rapidly changing landscape of mobile HTML5




According to the latest usage statistics published on W3Techs, over 54% of all websites currently use HTML5 as their markup language. The effectiveness of HTML5 can also be gauged by the fact that it is currently used by YouTube as its default video player. Likewise, Facebook switched from Flash to HTML5 for all of its videos. Several surveys also found that a large percentage of developers today prefer HTML5 mobile apps over native and hybrid mobile apps.

HTML5, along with CSS3 and JavaScript, helps developers create responsive websites that look good on every device. In addition, HTML5 apps provide an optimal viewing experience on desktops, laptops, smartphones, tablets, and phablets. Unlike native and hybrid mobile apps, HTML5 mobile apps run in web browsers. Major operating systems and web browsers currently support version 5 of HTML. Consequently, it becomes easier for developers to manage, update and distribute mobile applications without any problems. There are also a number of reasons why many analysts believe HTML5 is constantly changing the mobile app development landscape.

Why is HTML5 changing the mobile app development landscape?

Simplifies the development of cross-platform mobile applications

Developers are currently building mobile apps to increase revenue, targeting multiple mobile platforms. The functions and native programming language of individual mobile platforms differ. Therefore, developers have to spend additional time and effort creating their own applications for each target mobile OS. But HTML5 makes it easier for developers to build cross-platform mobile apps using widely used web technologies. Going forward, programmers can write a single codebase and reuse the same codebase across different mobile platforms.

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Overcoming mobile and OS fragmentation

When developing mobile applications, it is difficult for developers to address key issues such as fragmentation of mobile devices and OS. For example, they have to build apps targeting a variety of devices running the latest iOS or Windows Phone. Likewise, they must ensure that the app works flawlessly on a wide variety of devices running on different Android models. HTML5 allows developers to create apps that work seamlessly on every mobile device, platform, and web. Consequently, it becomes easier for HTML5 developers to focus on the functionality and functionality of an application instead of worrying about device and operating system fragmentation.

No need to learn the native language of each platform

When developing their own applications, developers must use the native programming language of each target mobile platform. For example, they have to write Android apps in Java and iOS apps in Objective-C or Swift. But HTML5 allows developers to make a web application available on many mobile platforms without having to use multiple programming languages. They can simply use commonly used web technologies like HTML5, CSS3 and JavaScript to create various cross-platform mobile apps and responsive websites.

Easy to maintain and update apps

As noted earlier, HTML5 allows programmers to write a mobile application once and deploy it to multiple mobile platforms. Hence, developers must maintain a consistent codebase. They can easily make changes to the code so that the application is bug-free and works flawlessly on many platforms. Likewise, a single codebase makes it easy for programmers to add new features and functionality to an application without forcing users to update their applications. They can even easily modify the content of the apps to keep users interested and interested.

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Improving application visibility

Users can now choose from millions of mobile apps available in the App Store, Google Pay and Windows Store. Hence, companies must implement a robust marketing strategy to improve the visibility and accessibility of their applications. Likewise, they must effectively promote paid apps in order to convince users to prefer them to similar free apps. But it’s often easier for businesses to distribute and sell HTML5 apps. Unlike native apps, HTML5 apps don’t need to be submitted to various app stores. Open Distribution Mode further helps companies improve the visibility and discoverability of their applications while reducing competition.

Ability to use many robust HTML5 frameworks

Developers also have the opportunity to dramatically reduce development time for mobile apps by leveraging robust HTML5 frameworks. Depending on the nature and requirements of the project, they have the option to choose from several HTML5 frameworks including Kendo UI, Ionic, Intel XDK, Sencha Touch, and Framework 7. Developers can also use PhoneGap to internally package and distribute HTML5 applications. them through the app stores.

Reduce development costs

HTML5, CSS3 and JavaScript are open source web technologies. Thus, these technologies help enterprises to significantly reduce the cost of developing cross-platform mobile applications. The enterprise also has the ability to build hybrid mobile apps using the skills of existing web developers. Any developer familiar with these widely used web technologies can easily create many mobile applications. In addition, HTML5 frameworks enable developers to build robust applications without wasting extra effort and time. Reduced development time and simple distribution model further help enterprises to dramatically reduce time to market.

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However, developers still need to solve a number of problems when developing HTML5 applications. For example, the slow execution speed of HTML5 affects the performance of mobile applications because most mobile devices have limited processing power. Likewise, HTML5 mobile apps cannot use device and operating system specific features. Additionally, these apps lack monetization and marketing opportunities as there is no centralized store for these mobile apps. Many developers still choose to develop HTML5 mobile apps in order to make new apps available across multiple platforms in a shorter time frame.

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Javascript Programming

Importance of WordPress Rest API




Importance of WordPress Rest API

When developing web applications using WordPress, developers connect the application to third-party programs and services through specific application programming interfaces (APIs). In addition, they use various APIs to improve the functionality of the WordPress application and the user experience. The WordPress REST API allows programmers to connect their application to other software and services in an easier and more efficient way. Developers can use a plug-in to link their WordPress application with other websites and services, overcoming differences in data form and back-end programming languages.

Understanding important aspects of the WordPress REST API

JSON data format

They can use a plugin to force a WordPress application to interact with third-party software and services by sending and receiving JavaScript Object Notation (JSON) objects. JSON is a modern and readable data format. In addition, JSON has encoders and decoders for the most widely used programming languages. Hence, the WordPress application and third party software can exchange data in a mutually understandable format. Developers can also easily connect their WordPress application to a variety of software and services by writing simple JavaScript code.

REST methodology

WordPress has developed the plugin as a generic connector using the Representative State Transfer (REST) ​​methodology. Besides a simple data format, REST also allows developers to use commonly used HTTP methods such as POST, GET, DELETE, and PUT. At the same time, the methodology can facilitate the exchange of data in both XML and JSON format. The REST methodology simplifies communication between two programs. In addition, it allows the WordPress application to communicate with other websites and services in both XML and JSON format.

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Compatibility with other web programming languages

When developing websites with WordPress, programmers must write code in PHP. PHP is currently the most popular server side programming language. But it lacks many of the advanced features provided by modern programming languages ​​such as Ruby, Java, and C #. Consequently, many developers nowadays prefer to write web applications in modern programming languages. The WordPress REST API will make it easier for programmers to connect WordPress applications to other websites and services, regardless of their server-side programming language. A seamless connection can further help programmers eliminate common compatibility issues.

Contributing to the development of custom web applications

The WordPress REST API will make it easy for developers to create custom web applications according to various business requirements. Because they can use the plug-in to access third-party information and resources from many sources, developers can easily improve the look and feel of a web application. Many developers can create their own websites without relying on the traditional WordPress interface. Going forward, they can use this tool to build the front-end and back-end of a WordPress application in a completely new and more efficient way.

Optimizing WordPress Apps for Mobile Devices

Currently, major mobile operating systems such as iOS and Android support the JSON data format. Since the WordPress REST API allows applications to exchange data in JSON format, it becomes easier for programmers to optimize WordPress applications for mobile devices. Many developers can use this plugin to develop and run mobile apps with WordPress. They can further develop and deploy efficient mobile apps using WordPress as a back-end. The WordPress REST API will allow many developers to build their own mobile apps using their existing coding skills.

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Simplify the integration of third-party content

The WordPress REST API will make it easy for programmers to integrate content from various sources into a website. Likewise, this tool will simplify the process of making WordPress website content and resources available to other websites. WordPress developers can more effectively use WordPress as a content management system to manage and search website content from multiple sources. They can also use the WordPress REST API so that websites regularly provide users with more relevant and contextual information.

Overall, the WordPress REST API makes it easy for programmers to connect their WordPress apps to other websites and devices. Developers can use the plugin to create customized websites to suit different business requirements, while integrating content from different sources and optimizing content for mobile devices.

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Javascript Programming

Time to migrate from Magento 1 to Magento 2




More than 2.5 years have passed since the separation of eBay and Magento. Magento released a newer version of the platform right after the split. As is often the case, a crisis reveals the best in people. Since Magento was about to sell out, teams had to think outside the box. They had to bring fresh ideas when they were filming the billboards provided by eBay.

However, let’s not judge a major Magento release from an irrational point of view. Well, yes, they had to create a product with a startup. And that’s when the pros stretch the muscles. However, when we analyze some of the features described in Magento 2 as a Magento extension developer, there is no doubt that this is an improved version among them.

Some of the main features of Magento 2.x are:

A) Magento 2 – For tomorrow:

If you are running your online store on Magento 1.x platform, you should face certain performance issues. You can more effectively manage issues like page load times, security fixes, image optimizations, and heavy JavaScripts using Magento 2.x.

Third party modules on the server

When using Magento 2.x, store owners do not need to install third-party modules on the server.

Page load times and security fixes

By using Magento 2.x, store owners can improve site speed as it supports the latest PHP version. And they already have security fixes.

Image optimization

In Magento 1.x, you need to manually optimize your images. However, Magento 2.x has built-in functionality to manage image optimization without external support.

Minified JavaScript

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Great relief. An important UX improvement is inline JavaScript. This ensures that developers do not need to perform tedious and unnecessary operations in the browser.

B) Search Engine Optimization and Security Improvement:

When it comes to these two critical backend requirements, Magento 2.x is far superior to Magento 1.x. Password hashing algorithms effectively protect the site. Built-in rich category page descriptions help improve the overall page optimization process.

C) Brand new admin panel:

Improved information search, general store management and admin panel navigation.
Simplified product upload process as well as images and text, you can now upload videos too
Your Magento 2.x dashboard displays Top and Least Searched Items, Latest Orders, Average Order Amount, Top Selling Products, Premium Customers, Products you need to ship and Total Quantity, Tax Data, etc. …
Manage Customers vs. Orders columns from the front-end without developer assistance.
Advanced content preparation
Advanced data import function
Magento 1.x to Magento 2.x data migration tool
New marketing tools section for SEO, promotions, user generated content, and more.

D) Solution to split database performance (Enterprise Edition only)

Magento 2 uses separate master databases for orders, checkout and product data. The same goes for all functional areas. This allows store owners to improve the scalability and performance of their website. But you can only take advantage of this feature if you buy Magento Enterprise Edition. Magento CE (Community Edition) only uses one database.

Better performance

Magento 2.x can help you broaden your business horizons and help you manage your store to the best of your ability. It has a brand new admin panel design that offers an interface for your website. You can use the recently introduced visual design editor and install blocks and containers on your website without having any technical knowledge.

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Increased scalability

Magento 2.x comes with improved indexes with efficient updates. This improves the performance of your website by increasing the speed of requests. Magento 2.x and Varnish Cache are integrated, which means you can reduce server load and speed up page load times. Administrator users can also create and edit products without worrying about data conflicts.

Best conversion

With Magento 2.x, shoppers are bound to have a great shopping experience. Online store owners can display their products with descriptions, images and videos. In addition, since the website is responsive, they can view it from any device, including a smartphone, tablet, or PC. This helps to boost your conversion rates to a large extent.

Easy and smart upgrades

Magento 2.x has updated information about update compatibility and version control policies. Thus, apart from improving the basic Magento software, installing and updating Magento 2.X is easier compared to Magento 2.x. Magento 2.x export / import functionality allows you to export customer data, records as well as inventory data and import it into Magento 2.x.

Swift theme customization

As far as the core theme goes, Magento 2.x uses native LESS and CSS instead of Bootstrap. It also supports CSS processing, which helps speed up page loads, improve performance, and make your system SEO compliant.

Migrating from Magento 1.x to Magento 2.x is always a good decision as it gives businessmen a higher ROI. And so you know, Magento will only support M1 until November 2018. After that, you will rarely receive any feature or feature updates from the M1.

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Magento 2.X is the next big thing for eStore owners and Magento developers. If you want to make the most of this platform, now is the right time. Questions about migration? Feel free to ask in the comment section below.

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