Web Dev Roadmap for Beginners (Free!): https://bit.ly/DaveGrayWebDevRoadmap In this Typescript Functions | Basics Tutorial for Beginners you will learn about TS Functions, parameters and return types along with optional params, default param values, type guards, type aliases and more. 🚀 Become a full-stack web dev with Zero To Mastery Courses: - The Complete Web Developer: https://bit.ly/WebDevMaster - Master the Coding Interview: https://bit.ly/FAANGInterview - Junior to Senior Dev Roadmap: https://bit.ly/WebDevRoadmap-JrtoSr 🚩 Subscribe ➜ https://bit.ly/3nGHmNn 📬 Course Updates ➜ https://courses.davegray.codes/ ❓ Questions - Please post them to my Discord ➜ https://discord.gg/neKghyefqh ☕ Buy Me A Coffee ➜ https://www.buymeacoffee.com/davegray 👇 Follow Me On Social Media: Github: https://github.com/gitdagray Twitter: https://twitter.com/yesdavidgray LinkedIn: https://www.linkedin.com/in/davidagray/ 🔗 All Resources for this Typescript Course: https://github.com/gitdagray/typescript-course 🔗 Playlist for this Typescript Course: http://bit.ly/3GcNJ78 Typescript Functions | Basics Tutorial for Beginners (00:00) Intro (00:05) Welcome (00:17) Type Aliases (03:11) Literal Types (06:07) Basic Functions (07:29) Functions with no return value (10:40) The function keyword (11:58) Function Type Aliases (14:06) Function Interface (15:28) Optional Parameters (18:10) Default Parameters (21:39) Function with Rest Params (25:21) The never type (27:54) Using the never type (30:25) Custom Type Guard 📚 Suggested Pre-requisites for this Typescript course: 🔗JavaScript for Beginners full course: https://www.youtube.com/watch?v=EfAl9bwzVZk 📚 Tutorial References: 🔗 Typescript Official Website: https://www.typescriptlang.org/ 🔗 Anders Hejlsberg, Creator of Typescript and C# Interview: https://dev.to/destrodevshow/typescript-and-c-both-created-by-the-same-person-named-anders-hejlsberg-42g4 🔗 Stackoverflow Survey Results: https://survey.stackoverflow.co/2022/#technology-most-popular-technologies 🔗 MDN - Static Typing: https://developer.mozilla.org/en-US/docs/Glossary/Static_typing 🔗 MDN - Dynamic Typing: https://developer.mozilla.org/en-US/docs/Glossary/Dynamic_typing 🔗 MDN - Type Coercion: https://developer.mozilla.org/en-US/docs/Glossary/Type_coercion ⚙ Web Dev Tools: 🔗 Chrome Browser: https://www.google.com/chrome/ 🔗 Visual Studio Code (VS Code): https://code.visualstudio.com/ 🔗 Node.js & npm: https://nodejs.org/ 🔗 Live Server VS Code Extension: https://marketplace.visualstudio.com/items?itemName=ritwickdey.LiveServer Was this Typescript Functions basics tutorial helpful? If so, please share. Let me know your thoughts in the comments. #typescript #functions #tutorial