2 posts tagged with "Javascript"

Overview​

Web development is an exciting field that empowers us to create and maintain websites and web applications. It involves leveraging various technologies such as HTML, CSS, and JavaScript to construct the visual and interactive elements of a website.

When it comes to the front-end, we're focused on refining the user interface, ensuring both an aesthetically pleasing design and user-friendly experience. This is where HTML (Hypertext Markup Language) takes the stage, defining the structure of our web content. Meanwhile, CSS (Cascading Style Sheets) steps in to stylize and arrange our content, providing the desired appearance and feel.

On the flip side, the back-end encompasses server-side logic that grants dynamism and functionality to our website. This is where programming languages like Python, Ruby, PHP, or JavaScript (Node.js) come into play. It's also where we manage databases, handling user data and other essential information our website requires.

Now, let's delve into the fundamentals of web browsing and how the internet works.

Why HTML SSE ?​

It always make me curious that how codeforces provide real time notifications to users during contests. Does it use any tool like firebase to set pub/sub ? Does it use long polling ? Sending repeat requests to server to fetch notifications does not sound like a bright idea. Though I am still not very clear about how codeforces handles all those timely prompts but I have came across a way which might serve the purpose and that is HTML Server Sent Events.