--- title: Best This is Learning posts — June 2023 | daily.dev description: The most upvoted This is Learning posts from June 2023, curated by the daily.dev community. canonical: https://daily.dev/sources/til/best-of/2023/06 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/til/best-of/2023/06 og:type: website og:site_name: daily.dev og:title: Best This is Learning posts — June 2023 | daily.dev og:description: The most upvoted This is Learning posts from June 2023, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of This is Learning — June 2023 1. 1 [](https://daily.dev/posts/websockets-101-t2imh8gcb "WebSockets 101") Article This is Learning · 3y WebSockets 101 HTTP is basically a uni-directional protocol wherein a client sends a request to the server, the server accepts the request and sends a. The server can't send a response for which no request has been made by the client. This type of behavior poses a problem for real-time applications. 91 4 2. 2 [](https://daily.dev/posts/react-query---infinite-queries-jem744d9c "React Query - Infinite Queries") Article This is Learning · 3y React Query - Infinite Queries React Query - Infinite Queries - DEV Community Hey Folks, Today it's time to learn how you can build an infinite query with React Query. The hook is similar to the but with some more properties to handle the infinite loading in the best way. The key concepts, if you are working with are: Key. 30 3. 3 [](https://daily.dev/posts/how-to-boost-your-web-performance-with-html5-features-tjvzpivyr "How to Boost Your Web Performance with HTML5 Features") Article This is Learning · 3y How to Boost Your Web Performance with HTML5 Features DeV Community Performance is a crucial aspect of web development, as it affects the user experience, accessibility, and business goals of your applications. By using some of the HTML5 elements and attributes, you can make your web pages load faster, render smoother, and respond better to user interactions. 19 4. 4 [](https://daily.dev/posts/using-javascript-classes-without-the-class-keyword-aorjvxpz8 "Using JavaScript classes without the `class` keyword") Article This is Learning · 3y Using JavaScript classes without the \`class\` keyword JavaScript didn't even have a keyword as part of the language before 2015\. How to create a class without the keyword? How to "extend" a "class" How to add static methods to our "class"? How to convert a functional class using Let's now convert ourPerson and classes to use functions instead of the keyword. 16 3 [See all This is Learning archives](/sources/til/best-of) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@graph":[{"@type":"CollectionPage","@id":"https://daily.dev/sources/til/best-of/2023/06#page","url":"https://daily.dev/sources/til/best-of/2023/06","name":"Best This is Learning Posts — June 2023","description":"The most upvoted This is Learning posts from June 2023, curated by the daily.dev community.","isPartOf":{"@type":"WebSite","url":"https://daily.dev"}},{"@type":"ItemList","@id":"https://daily.dev/sources/til/best-of/2023/06#items","numberOfItems":4,"itemListElement":[{"@type":"ListItem","position":1,"url":"https://daily.dev/posts/websockets-101-t2imh8gcb","name":"WebSockets 101"},{"@type":"ListItem","position":2,"url":"https://daily.dev/posts/react-query---infinite-queries-jem744d9c","name":"React Query - Infinite Queries"},{"@type":"ListItem","position":3,"url":"https://daily.dev/posts/how-to-boost-your-web-performance-with-html5-features-tjvzpivyr","name":"How to Boost Your Web Performance with HTML5 Features"},{"@type":"ListItem","position":4,"url":"https://daily.dev/posts/using-javascript-classes-without-the-class-keyword-aorjvxpz8","name":"Using JavaScript classes without the `class` keyword"}]},{"@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Sources","item":"https://daily.dev/sources"},{"@type":"ListItem","position":3,"name":"This is Learning","item":"https://daily.dev/sources/til"},{"@type":"ListItem","position":4,"name":"Best of","item":"https://daily.dev/sources/til/best-of"},{"@type":"ListItem","position":5,"name":"June 2023"}]}]} ```