The result is an explosion of creativity, and numerous decentralized applications or dApps making headway into many different industries – fintech first and foremost, but also identity, insurance, intellectual property, the arts, and others.
The demand for blockchain, Web3, and dApp skills is at an all-time high. And one of the keys to entering this brave new world of decentralized invention is knowledge of one ubiquitous language:
Beyond the development of websites, it also opens doors to more career opportunities leading to the internet trend of the future: Web3. We’ve previously answered the question “What is Web3?” in another comprehensive guide.
Web3.js is an important part of the blockchain and smart contract ecosystem, allowing dApps to interact with blockchain networks.
These layers work together in web design. Before we move onto Web3.js, let us first look at the three basic layers of web design.
Three Web Design Layers
The first layer is HTML. HTML, or Hypertext Markup Language, is often referred to as the “structure layer”. HTML creates a framework for the site. It is the initial step where all the user content is stored. It can be made up of both images and text. It also consists of hyperlinks used for navigation.
The second layer is the styling layer. It controls the look or appearance of your site. The language used for this is CSS or Cascading Style Sheets. CSS instructs how the content is displayed on a browser and is used to add style and do layouts on a web page.
With CSS, you can do more than just post plain text and information. Some of these functions include customizing fonts and adjusting the entire appearance of your content, from spacing to the number of columns to adding other illustrative features to make it more user-friendly. CSS is important for creating the visual frame and can be used to adapt to different screen sizes.
What do we mean by this? After the site has its basic framework, you’re ready to dress it up – to put in the features that make the experience truly richer for the user. Beyond HTML and CSS, this language lets you transform the content into something more dynamic.
It also allows you to animate your images and offers a great deal more flexibility than the previous two. It’s important to note that all three languages complement each other and can be built on top of one another without issues.
It eliminates the need to manually reload a web page. It tells a website or application to perform a task, thereby doing most of the legwork. It instructs images to move or animate, so it appears that these things are happening spontaneously or independently.
- Develop mobile apps
- Build browser-based games
- Go beyond static and make websites more interactive
- Do other things on decentralized platforms. It allows users or software that is off-chain to interact with the blockchain by relaying the transaction to on-chain components (more on this later.)
You can type the commands directly into HTML, requiring no additional compilers and programs.
Web3.js Unveils A New World Of Possibilities
Many buzzwords are being thrown around, like blockchain, smart contracts, Web3, and apps. To make sense of these new trends, you first need to understand these concepts which are built around the idea of decentralization.
What is Web3.js? It is a collection of libraries that provides devs with a way to interact with the main blockchain. It allows you to connect with Ethereum nodes. For example, if you create off-chain software or an app that needs to transact on the blockchain, you will need Web3.js to facilitate the connection with a node, which then relays your transaction to the network.
The process by which a node receives such information and relays it to the network will not be covered by this article, but you can learn more by enrolling in courses like the ones Ivan on Tech Academy offers for blockchain and Ethereum dApp programming.
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