New to JavaScript — ES2022

New to JavaScript — ES2022

In this episode of Syntax, Scott and Wes talk about all the new stuff in ES2022 — what it is, why you might need it, and how to use it. Sanity - Sponsor Sanity.io is a real-time headless CMS with a fully customizable Content Studio built in React. Get a Sanity powered site up and running in minutes at sanity.io/create. Get an awesome supercharged free developer plan on sanity.io/syntax. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Auth0 - Sponsor Auth0 is the easiest way for developers to add authentication and secure their applications. They provides features like user management, multi-factor authentication, and you can even enable users to login with device biometrics with something like their fingerprint. Not to mention, Auth0 has SDKs for your favorite frameworks like React, Next.js, and Node/Express. Make sure to sign up for a free account and give Auth0 a try with the link below: https://a0.to/syntax. Show Notes 04:50 - Regex indicies New d flag in a regex https://regex101.com/ This will tell you the indexes (indicies) of the regex matches Handy if you need to highlight or replaces matches in a string We can ask for the start and end positions of each matched capture group 07:16 - Class updates Private fields Properties and Methods to be kept private Prefix them with a # =Helpful for internal state and methods which should not be accessed directly or at all by external In React how we have __INTERNTAL_NEVER USE THIS class ColorButton extends HTMLElement { // All fields are public by default color = "red" // Private fields start with a #, can only be changed from inside the class #clicked = false } const button = new ColorButton() // Public fields can be accessed and changed by anyone button.color = "blue" // SyntaxError here console.log(button.#clicked) // Cannot be read from outside button.#clicked = true // Cannot be assigned a value from outside Getters and setters introduced in es5 https://www.w3schools.com/js/js_object_accessors.asp class Person { #hobbies = ['computers'] get #hobbiesGetter() { return this.#hobbies } #getHobbies() { return this.#hobbies } getHobbiesPublic() { return this.#hobbies } } const scott = new Person(); scott.#getHobbies(); // doesn't work scott.getHobbiesPublic(); // works 09:07 - Class fields This may seem super old because we have been polyfilling it forever Right now if you want an instance field on a class, you need to declare it in the constructor Now we can just declare them inside the class 10:36 - Static fields and methods As above can also be static with the static keyboard Works for methods too Explain what a static method is 13:17 - Top level await So handy in modules. Need to pull in some data? Simple. 15:19 - Ergonomic brand checks for private fields Used for checking if a private field on a class exists using the in keyword 16:00 - .at() method Strings and arrays - we can use square brackets to reference items of the array Super handy for grabbing the last item of an array // 🔥 New .at() method on arrays and strings const toppings = ['pepperoni', 'cheese', 'mushrooms']; // The old way to grab the last item toppings[toppings.length - 1]; // mushrooms // using .at() method with a negative index toppings.at(-1); // mushrooms // works with any index toppings.at(0); // pepperoni toppings.at(-2); // cheese // and with strings! 'Meeting Room: B'.at(-1) // B Why not use array[-1]? We used to use slice(-1) What about indexOf? 21:34 - Handy hasOwn method https://github.com/tc39/proposal-accessible-object-hasownproperty 24:51 - Class static block A static block allows you to run code before creating an optional static property during initialization https://github.com/tc39/proposal-class-static-block Links https://github.com/tc39/proposals/blob/master/finished-proposals.md ××× SIIIIICK ××× PIIIICKS ××× Scott: Ultraloq Smart Lock Wes: Magnatiles Shameless Plugs Scott: Web Components Course - Sign up for the year and save 25%! Wes: All Courses - Use the coupon code ‘Syntax’ for $10 off! Tweet us your tasty treats! Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

Jaksot(971)

Clamp & Interpolate

Clamp & Interpolate

In this Hasty Treat, Scott and Wes talk about clamp and interpolate and how you might want to use them in your next project. Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting Sentry.io and using the coupon code TASTYTREAT during sign up. NAME - Sponsor There are hundreds of payments processing companies out there. Hit up developer.paymentshub.com/syntax to learn more about how Payments Hub Developers not only processes ecommerce and in-person payments, but also boards and underwrites your merchants in as little as 90 minutes. We are currently offering Syntax listeners who become new partners 6 months free data through our Business Reporting API! Show Notes 00:25 Welcome 00:52 Sponsor: Sentry 01:31 Sponsor: Payments Hub 02:40 Topic introduction 05:05 What is Clamp? CSS clamp: font-size: clamp(1rem, 10vw, 2rem); JavaScript Clamp: const clamp = (num, min, max) => Math.min(Math.max(num, min), max) 09:12 What is Interpolate? D3 Interpolate 12:56 Interpolate in colors 14:37 Quantize D3 Quantize Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

11 Heinä 202219min

Supper Club × Voice Coding with Pokey Rule

Supper Club × Voice Coding with Pokey Rule

In this supper club episode of Syntax, Wes and Scott talk with Pokey Rule about using his voice to code, and the current state of voice coding software. Stackoverflow Podcast - Sponsor For over a dozen years, the Stack Overflow Podcast has been exploring what it means to be a developer, and how the art and practice of software programming is changing our world. Hosted by Ben Popper, Cassidy Williams, and Ceora Ford, the Stack Overflow Podcast is your home for all things code. Listen to new episodes twice a week, wherever you get your podcasts. directus - Sponsor Directus is an open-source data platform that instantly layers on top of any SQL database. Our Data Engine empowers engineers with dynamic REST+GraphQL APIs, workflow automation, built-in auth, caching, and asset transformations. And the included Data Studio democratizes your database, allowing even non-technical users to browse, manage, and visualize database content through a no-code data collaboration app. Get started in minutes with a free Directus Community Cloud project. Show Notes 00:33 Welcome 01:35 Guest introduction Con 2021 - Cursorless: keyboards and mice are sooo last year!! by Pokey Rule Emily Shea 05:12 How does coding with your voice work? Talon Voice Cursorless Talon 09:45 How do you handle triggering wrong words? 11:41 Sponsor: The Stack Overflow Podcast 12:26 Example of voice coding Parrot 14:21 What are the noises you make for? 24:29 Working on multiple lines at the same time 27:37 How do you decide where the hats go? 31:18 Sponsor: directus 32:59 What is the community of users like for this? Tree Sitter “Incremental, zero-config Code Nav using stack graphs” by Douglas Creager 35:20 Does eye tracking work? 36:48 What kind of mic do you use? DPA Microphone The Voice Book 39:25 Supper Club questions Dark Abyss VS Code theme Kinesis Freestyle 2 Charybdis Nano keyboard Nexstand Arxiv Sanity Subvocal Recognition Imagen Research Midjourney 54:11 ××× SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Git Imerge Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials Pokey: YouTube channel, Sponsor Pokey on GitHub Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

8 Heinä 202258min

10 years of Speaking + Conferences

10 years of Speaking + Conferences

In this episode of Syntax, Wes and Scott talk about their experiences speaking at conferences, why they’ve done it, how they prepare talks, and tips for anyone interested in wanting to give talks. Linode - Sponsor Whether you’re working on a personal project or managing enterprise infrastructure, you deserve simple, affordable, and accessible cloud computing solutions that allow you to take your project to the next level. Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and easier. Get started on Linode today with a $100 in free credit for listeners of Syntax. You can find all the details at linode.com/syntax. Linode has 11 global data centers and provides 24/7/365 human support with no tiers or hand-offs regardless of your plan size. In addition to shared and dedicated compute instances, you can use your $100 in credit on S3-compatible object storage, Managed Kubernetes, and more. Visit linode.com/syntax and click on the “Create Free Account” button to get started. Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting Sentry.io and using the coupon code TASTYTREAT during sign up. Freshbooks - Sponsor Get a 30 day free trial of Freshbooks at freshbooks.com/syntax Show Notes 00:02 Welcome 01:38 Stanley Cup update 03:13 Legoland update 04:09 Topic introduction Nicole Sullivan Tweet looking for questions 05:03 Why speak at conferences? 08:56 Travelling for free 09:50 Getting paid to speak at conferences 12:23 Doing in person workshops 14:55 How do you get into speaking? 19:25 Meetups 20:30 Sponsor: Linode 21:15 What should you speak about? 26:27 Something you did a deep dive on 29:21 Sponsor: Freshbooks 30:04 Flight protection and travel insurance 32:59 Idea: update to a library 33:28 How to get conferences to invite you to speak? 36:03 How do you prepare for a talk? 42:40 How to find conferences looking for speakers 44:09 How to create a topic that will get picked 46:59 Sponsor: Sentry 48:06 Software for your slides Slides.js Slides.com MDX Deck Notion Figma Google Slides Lydia Hallie Keynote 56:28 ××× SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: Risk for iOS Wes: Barrina LED T5 Integrated Single Fixture Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

6 Heinä 20221h 1min

CSS5 Color Functions

CSS5 Color Functions

In this Hasty Treat, Scott and Wes talk about new CSS color functions, and tips for viewing the different options and ways of presenting color that are coming. Linode - Sponsor Whether you’re working on a personal project or managing enterprise infrastructure, you deserve simple, affordable, and accessible cloud computing solutions that allow you to take your project to the next level. Simplify your cloud infrastructure with Linode’s Linux virtual machines and develop, deploy, and scale your modern applications faster and easier. Get started on Linode today with a $100 in free credit for listeners of Syntax. You can find all the details at linode.com/syntax. Linode has 11 global data centers and provides 24/7/365 human support with no tiers or hand-offs regardless of your plan size. In addition to shared and dedicated compute instances, you can use your $100 in credit on S3-compatible object storage, Managed Kubernetes, and more. Visit linode.com/syntax and click on the “Create Free Account” button to get started. Show Notes 00:25 Welcome 01:35 Sponsor: Linode 02:22 Where the CSS spec for Color functions are at the moment 05:13 New CSS Color mix function 10:29 Color for the color challenged 12:53 Color contrast function 15:06 Programatically alter colors Anyone have a really great CSS Variables color system strategy? Color for the color challenged Better color tools the color-contrast() function Benjamin Moore Paints as CSS Colours Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

4 Heinä 202224min

Supper Club × Developer Experience with Shawn Wang

Supper Club × Developer Experience with Shawn Wang

In this supper club episode of Syntax, Wes and Scott talk with Shawn Wang about his thoughts on developer experience, why DX is important, and the importance of learning in public. Hasura - Sponsor With Hasura, you can get a fully managed, production-ready GraphQL API as a service to help you build modern apps faster. You can get started for free in 30 seconds, or if you want to try out the Standard tier for zero cost, use the code “TryHasura” at this link: hasura.info. We’ve also got an amazing selection of GraphQL tutorials at hasura.io/learn. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Show Notes 00:32 Welcome 01:56 Guest introduction swyx.io Why Temporal? 06:09 What is Developer Experience? Sarah Drasner 08:35 Is VS Code considered DX? 09:28 Why is internal DX important? Vercel NextJS 11:44 Is DX helpful to small organizations as well? 15:27 Parsimony Parsimony 16:43 Is productivity the main focus? 21:09 Sponsor: Hasura 22:48 What are your thoughts on React? 27:31 Designing for API success 30:44 Sponsor: LogRocket 32:07 What is external developer experience? 36:05 Learning in public 40:46 Supper Club questions dx.tips Retreon VS Code Theme Agnoster ZSH Theme freeCodeCamp Frontend Masters QConf Learn in Public ××× SIIIIICK ××× PIIIICKS ××× Scott: The Stormlight Archive Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

1 Heinä 202253min

Tips for Communicating

Tips for Communicating

In this episode of Syntax, Wes and Scott talk about their tips for better communication in email, Zoom calls, code reviews, or asking for help. Sentry - Sponsor If you want to know what’s happening with your code, track errors and monitor performance with Sentry. Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and optimize their code health. Cut your time on error resolution from hours to minutes. It works with any language and integrates with dozens of other services. Syntax listeners new to Sentry can get two months for free by visiting Sentry.io and using the coupon code TASTYTREAT during sign up. Sanity - Sponsor Sanity.io is a real-time headless CMS with a fully customizable Content Studio built in React. Get a Sanity powered site up and running in minutes at sanity.io/create. Get an awesome supercharged free developer plan on sanity.io/syntax. Auth0 - Sponsor Auth0 is the easiest way for developers to add authentication and secure their applications. They provides features like user management, multi-factor authentication, and you can even enable users to login with device biometrics with something like their fingerprint. Not to mention, Auth0 has SDKs for your favorite frameworks like React, Next.js, and Node/Express. Make sure to sign up for a free account and give Auth0 a try with the link below. https://a0.to/syntax Show Notes 00:10 Welcome 01:39 Furnace wiring fun Ecobee Tweet asking for communication tips 05:37 Email communication SavvyCal Calendly 15:07 Recognizing a big ask Simeon Griggs - How to ask for things 24:01 Sponsor: Sentry 25:52 Code review communication 30:39 Sponsor: Sanity 32:22 Sharing information with a video 35:42 In person or one on ones 39:36 Video calls Storyboard.fm 40:54 Realize it’s ok to stop talking 42:27 Sponsor: Auth0 44:13 Tips from Twitter 53:08 ××× SIIIIICK ××× PIIIICKS ××× ××× SIIIIICK ××× PIIIICKS ××× Scott: Drachinifel Wes: Lepy LP-2020A Hi-Fi Stereo Audio Shameless Plugs Scott: LevelUp Tutorials on YouTube Wes: Wes Bos Tutorials Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

29 Kesä 202259min

Browser CSS Page Transitions API aka Shared Element Transitions

Browser CSS Page Transitions API aka Shared Element Transitions

In this Hasty Treat, Scott and Wes talk about the new Browser CSS Page Transitions API proposal and what features it opens up for developers on the web. Prismic - Sponsor Prismic is a Headless CMS that makes it easy to build website pages as a set of components. Break pages into sections of components using React, Vue, or whatever you like. Make corresponding Slices in Prismic. Start building pages dynamically in minutes. Get started at prismic.io/syntax. LogRocket - Sponsor LogRocket lets you replay what users do on your site, helping you reproduce bugs and fix issues faster. It’s an exception tracker, a session re-player and a performance monitor. Get 14 days free at logrocket.com/syntax. Show Notes WICG Shared Element Transitions 00:21 Welcome 01:33 Sponsor: Prismic 02:43 Sponsor: LogRocket 04:18 Browser animations on the web vs native apps 06:15 What is the targeted use case for it? 06:56 Shared Element to Root Transitions 11:14 Entry and Exit 17:33 How to enable this in Chrome Example Code Shared Element Transition history Sarah Drasner’s demo async function doTransition() { let transition = document.createDocumentTransition(); // Specify offered elements. The tag below is used to refer // to the generated pseudo elemends in script/CSS. document.querySelector(".old-message").style.pageTransitionTag = "message"; // The start() call triggers an async operation to capture // snapshots for the offered elements, await transition.start(async () => { // This callback is invoked by the browser when the capture // finishes and the DOM can be switched to the new state. // No frames are rendered until this callback returns. // Asynchronously load the new page. await coolFramework.changeTheDOMToPageB(); // Clear the old message if that element is still in the page document.querySelector(".old-message").style.pageTransitionTag = ""; // Set new message as the shared element 'message' document.querySelector(".new-message").style.pageTransitionTag = "message"; // Set up animations using WA-API on the next frame. requestAnimationFrame(() => { document.documentElement.animate(keyframes, { ...animationOptions, pseudoElement: "::page-transition-container(message)", }); }); // Note that when this callback finishes, the animations will start with the tagged elements. }); } Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

27 Kesä 202220min

Supper Club × Authoring Browser Extensions with Tim Leland

Supper Club × Authoring Browser Extensions with Tim Leland

In this supper club episode of Syntax, Wes and Scott talk with Tim Leland - developer of browser extensions like WeatherExtension and Link Shortener Extension. Postlight Podcast - Sponsor Postlight is a strategy, design, and engineering firm that builds platforms for some of the biggest organizations in the world. The Postlight Podcast is hosted by senior leaders Rich Ziade, Paul Ford, Gina Trapani, and Chris LoSacco. If you’re looking for answers to tough leadership questions, the Postlight Podcast has you covered. Listen to new episodes every Tuesday, wherever you get your podcasts. WP Mail SMTP - Sponsor Did you know that many WordPress sites are not properly configured to send emails? With WP Mail SMTP, you can easily optimize your site to send emails, avoid the spam folder, and make sure your emails land in the inbox every time. WP Mail SMTP comes with detailed email logs, email engagement tracking, visual email reports, weekly email summaries, integrations with popular email providers like SendLayer, Gmail, Outlook, and more! Try WP Mail SMTP Pro today and get 50% off or start with their free version by downloading it from the WordPress plugin directory. Show Notes 00:33 Welcome 02:21 Guest introduction @tim_leland TimLeland.com WeatherExtension Link Shortener Extension 03:40 Why develop browser extensions? 07:58 How did you market your extensions? 09:43 Where is a Chrome extension running? Caddy 14:29 What’s your URL shortener extension? 18:50 OneLink service 20:30 SSL Domains 21:35 Sponsor: The Postlight Podcast 23:00 Maliciousness with URL shorteners 28:26 How do you come up with ideas? 30:03 Running Chrome extensions as Firefox extensions 34:03 Does blogging still work? 36:38 Sponsor: Sendlayer 37:53 Supper club questions Tim Leland /uses/ 45:12 ××× SIIIIICK ××× PIIIICKS ××× Tchibo Coffee machine Shameless Plugs Scott: LevelUp Tutorials Wes: Wes Bos Tutorials Tweet us your tasty treats Scott’s Instagram LevelUpTutorials Instagram Wes’ Instagram Wes’ Twitter Wes’ Facebook Scott’s Twitter Make sure to include @SyntaxFM in your tweets

24 Kesä 202248min

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