DEV Community: s-babaeizadeh

🚀 𝗨𝗻𝗹𝗼𝗰𝗸𝗶𝗻𝗴 𝗟𝗶𝗴𝗵𝘁𝗻𝗶𝗻𝗴-𝗙𝗮𝘀𝘁 𝗜𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗶𝘁𝘆: 𝗥𝗲𝘃𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝗶𝘇𝗲 𝗬𝗼𝘂𝗿 𝗨𝘀𝗲𝗿 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝘄𝗶𝘁𝗵 𝗦𝗺𝗮𝗿𝘁 𝗛𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻✨

s-babaeizadeh — Wed, 01 Jan 2025 17:33:14 +0000

magine you have a server-rendered application that builds the HTML for what you see when you navigate around. Once the server is done creating that HTML, which also packs in the needed CSS and JSON data for a smooth experience, it sends everything down to your device. Because the server has already done the heavy lifting, your device can quickly read the HTML and show it on the screen, giving you a fast First Contentful Paint!

𝗕𝘂𝘁 𝗵𝗲𝗿𝗲’𝘀 𝘁𝗵𝗲 𝗰𝗮𝘁𝗰𝗵: while server rendering speeds up how quickly you see the content, it doesn’t always make the website interactive right away. The JavaScript needed for those interactive features hasn’t loaded yet. So, even though buttons and links look clickable, they can’t be interacted with until that JavaScript is ready. This moment of waiting is called 𝗵𝘆𝗱𝗿𝗮𝘁𝗶𝗼𝗻. It’s when React goes through the existing elements in the DOM (the structure of the webpage) and connects the right JavaScript to them.

During this waiting period, users might feel stuck in what’s known as the “𝘂𝗻𝗰𝗮𝗻𝗻𝘆 𝘃𝗮𝗹𝗹𝗲𝘆.” The UI looks alive and ready for action, but it’s not functional yet, which can be pretty frustrating. It’s like seeing a busy store but finding the doors locked!

Getting those elements fully ready for interaction can take some time because the JavaScript needs to be loaded and processed first. A smarter approach is to 𝗵𝘆𝗱𝗿𝗮𝘁𝗲 𝘁𝗵𝗲 𝗽𝗮𝗴𝗲 𝗽𝗿𝗼𝗴𝗿𝗲𝘀𝘀𝗶𝘃𝗲𝗹𝘆, meaning we can hydrate individual parts of the UI as they’re needed instead of doing it all at once. This way, the application can only request the essential JavaScript required for immediate actions, making everything feel smoother and quicker for the user.

𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲: https://www.patterns.dev

🚀 𝗪𝗵𝗮𝘁’𝘀 𝗼𝗻 𝗬𝗼𝘂𝗿 𝗥𝗲𝗮𝗱𝗶𝗻𝗴 𝗟𝗶𝘀𝘁? 📚✨

s-babaeizadeh — Mon, 02 Dec 2024 11:37:43 +0000

As a frontend developer, I’m always looking for helpful resources to enhance my skills.

I’d love to hear your recommendations! 🤔 What books have you found useful recently? Let’s share insights and grow together!

Here are the first two books on my reading list.
Building Large-Scale Web Apps: A React Field Guide by Addy Osmani and Hassan Djirdeh (2024)
Crafting Clean Code with JavaScript and React by Héla Ben Khalfallah (2024)

𝗗𝗲𝗯𝗼𝘂𝗻𝗰𝗶𝗻𝗴: 𝗔 𝗞𝗲𝘆 𝗧𝗲𝗰𝗵𝗻𝗶𝗾𝘂𝗲 𝗳𝗼𝗿 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻

s-babaeizadeh — Tue, 19 Nov 2024 19:13:11 +0000

𝗗𝗲𝗯𝗼𝘂𝗻𝗰𝗶𝗻𝗴 is a handy technique that helps make your code more efficient when it needs to run multiple times in a short period. Essentially, it allows you to delay the execution of a function until there’s been a pause in user activity.

For instance, think about a search bar that shows suggestions as you type. Without debouncing, it could make an API call for every single keystroke, which might overwhelm the server or provide too many irrelevant results. By using debouncing, you can set things up so that the API call only happens after the user stops typing for a couple of seconds.

Implementing debouncing involves using a timer. You can use setTimeout to set a delay for when your function executes and clearTimeout to cancel the timer if the user keeps typing. This ensures that the function runs just once after the user has finished their input, making everything run more smoothly.

🚀 𝗘𝗻𝗵𝗮𝗻𝗰𝗶𝗻𝗴 𝗨𝘀𝗲𝗿 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝘄𝗶𝘁𝗵 𝘁𝗵𝗲 𝘂𝘀𝗲𝗢𝗽𝘁𝗶𝗺𝗶𝘀𝘁𝗶𝗰() 𝗛𝗼𝗼𝗸 𝗶𝗻 𝗥𝗲𝗮𝗰𝘁! 🚀

s-babaeizadeh — Sun, 17 Nov 2024 11:58:05 +0000

As web developers, we constantly strive for ways to improve the user experience of our applications. One powerful tool I’ve recently been exploring is the useOptimistic() hook.

🌟 𝘞𝘩𝘺 𝘪𝘴 𝘪𝘵 𝘢 𝘎𝘢𝘮𝘦-𝘊𝘩𝘢𝘯𝘨𝘦𝘳?

The useOptimistic() hook allows us to implement optimistic updates, meaning we can immediately present changes to users without waiting for a corresponding server request to complete. This approach not only makes our applications feel snappier but also significantly enhances responsiveness.

💡 𝘏𝘰𝘸 𝘋𝘰𝘦𝘴 𝘐𝘵 𝘞𝘰𝘳𝘬?

When a user interacts with the application (like submitting a form or liking a post), we can instantly reflect that change in the UI. If the server request is successful, the optimistic update remains; if it fails, we can easily revert to the previous state. This technique minimizes the perceived wait time associated with network round trips, ultimately leading to a smoother experience for users.

✨ 𝘉𝘦𝘯𝘦𝘧𝘪𝘵𝘴 𝘰𝘧 𝘜𝘴𝘪𝘯𝘨 𝘶𝘴𝘦𝘖𝘱𝘵𝘪𝘮𝘪𝘴𝘵𝘪𝘤():

𝗜𝗻𝘀𝘁𝗮𝗻𝘁 𝗙𝗲𝗲𝗱𝗯𝗮𝗰𝗸: Users see immediate results from their actions, which boosts engagement.
𝗥𝗲𝗱𝘂𝗰𝗲𝗱 𝗪𝗮𝗶𝘁 𝗧𝗶𝗺𝗲: By eliminating the delay associated with network requests, we create faster interactions.
𝗦𝗶𝗺𝗽𝗹𝗶𝗳𝗶𝗲𝗱 𝗘𝗿𝗿𝗼𝗿 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴: Rolling back to the previous state is straightforward, making it easier to manage user expectations.

Incorporating useOptimistic() in your React projects can significantly elevate the user experience. Have you used this hook in your applications? I’d love to hear your experiences and any tips you might have!

𝗨𝗻𝗹𝗼𝗰𝗸 𝗬𝗼𝘂𝗿 𝗡𝗲𝘅𝘁.𝗷𝘀 𝗔𝗽𝗽’𝘀 𝗣𝗼𝘁𝗲𝗻𝘁𝗶𝗮𝗹: 𝗧𝗵𝗲 𝗣𝗼𝘄𝗲𝗿 𝗼𝗳 𝗦𝗺𝗮𝗿𝘁 𝗗𝗮𝘁𝗮 𝗙𝗲𝘁𝗰𝗵𝗶𝗻𝗴!

s-babaeizadeh — Thu, 14 Nov 2024 07:24:54 +0000

☀️ When it comes to application development, your data fetching strategy can be a game-changer!

⚙️ 𝗦𝗲𝗾𝘂𝗲𝗻𝘁𝗶𝗮𝗹 𝗙𝗲𝘁𝗰𝗵𝗶𝗻𝗴: Think of this method as a strategic move in a game of chess. It shines when requests depend on each other, like needing a user ID to retrieve related data. This approach not only helps manage errors gracefully but also respects resource constraints, ensuring your Next.js app remains reliable and steady.

🚀 𝗣𝗮𝗿𝗮𝗹𝗹𝗲𝗹 𝗙𝗲𝘁𝗰𝗵𝗶𝗻𝗴: Imagine your app as a bustling restaurant where multiple chefs are whipping up delicious dishes at the same time! In Next.js, this method allows you to send multiple independent requests simultaneously, drastically cutting down load times. This not only enhances performance but also elevates user experience, allowing users to access information quickly and efficiently, just like enjoying a well-served meal without any delays!

🔑 𝗙𝗶𝗻𝗱𝗶𝗻𝗴 𝘁𝗵𝗲 𝗥𝗶𝗴𝗵𝘁 𝗕𝗮𝗹𝗮𝗻𝗰𝗲: The key is knowing when to use each technique. Opt for sequential fetching in scenarios where data is dependent on previous requests, and choose parallel fetching for independent queries. By mastering both, you can elevate your Next.js app’s efficiency and deliver a seamless experience that keeps users engaged and coming back for more.

The Difference Between indexOf and findIndex in JavaScript

s-babaeizadeh — Tue, 02 Jul 2024 16:06:28 +0000

indexOf is a method available for both arrays and strings in JavaScript, used to search for the first occurrence of a value using strict equality ("===").

findIndex is a higher-order function specifically designed for arrays, used to search for the first element that satisfies a condition specified by a callback function.