CodePen: Online Code Editor and Front End Web Developer CommunityCodePen: Online Code Editor and Front End Web Developer Community

https://codepen.io/

Frontend Practice | HomeFrontend Practice | Home

https://www.frontendpractice.com/#projects

JavaScript 30 — Build 30 things with vanilla JS in 30 days with 30 tutorialsJavaScript 30 — Build 30 things with vanilla JS in 30 days with 30 tutorials

https://javascript30.com/

devChallenges.io | Real-life Coding Challenges to become a Software EngineerdevChallenges.io | Real-life Coding Challenges to become a Software Engineer

https://devchallenges.io/

CSSBattle - the CSS code-golfing game!CSSBattle - the CSS code-golfing game!

https://cssbattle.dev/

TypeScript: TS Playground - An online editor for exploring TypeScript and JavaScriptTypeScript: TS Playground - An online editor for exploring TypeScript and JavaScript

https://www.typescriptlang.org/play?#code/PTAEiJrQ5+MU3NAYlUAqBPADgUwMoGMBOBLFAF1EBR7QYb9AudUBh-gKBFEE34wejNAAOUCo5QTb9ADeUAXjQbPlAaP6BMxSqAwJUDVcoBiVQGbagAzlEqTLgLFAIW6BFf0CbXoCAGGnTCAKg0D3yoFO5E4CDNQNBygSDlAs56BO00Dw+oH95QBSugYO1AWP-79oUAFpQdkBYOUAseUAWD0B5dUBvuUBVeUAcOUB-SNU5BXRsfCJQVUAGdXtdegCgtkBleUAYrLSlTOJAW+jAVZtANz1AODlAaojALrkJXPzfIvZXQDi5QGlbQFXo4MAYFUqMlVABQEXowHxzQHylQF+A1UBMm0BG710aLAB7ADsAZ2IAQ32AUQAPE4BbFAAbNAA1E-wTgCNH0ABeUAAiAASaHu912oAA6rscPcACZ-HYHQ67R4AOlBAHMABRnK63B7PV54D6PACUenopkAnQ6Ab8VAFBy9lUoEAOASALk9ANHygFwCUCANCNmYAG00A36kcqgmQBhcoBjyMAL2aALE1AM6K-RqgAAo1SAQ-lAPYG2nh9G5gFAAwAESoATNIYgGy5QAXNoApxIagBQ5QAA+oBpzTcVEALqZscgUVSANDlADKugF+EwB6Ov0uLo-EA

type-challenges/README.zh-CN.md at master · type-challenges/type-challengestype-challenges/README.zh-CN.md at master · type-challenges/type-challenges

https://github.com/type-challenges/type-challenges/blob/master/README.zh-CN.md

50 Projects 50 Days | Traversy Media

https://50projects50days.com/

100 Days CSS Challenge100 Days CSS Challenge

https://100dayscss.com/