tweenjs/tween.js

JavaScript/TypeScript animation engine

Stars: 10.1k
Forks: 1.4k
Open beginner issues: 0
Indexed issues: 20

Dominant language: TypeScript
License: No license data
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

20 open issues indexed

Free project maintainer offer Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tweenjs/tween.js#710 · 10 comments · Opened Mar 4, 2026
How to dynamically adjust timeScale while maintaining animation continuity? (Real-time speed control for playing animations) Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

tweenjs/tween.js#706 · 3 comments · Opened Aug 14, 2025
RepeatDelay is not working Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

tweenjs/tween.js#701 · Opened Jan 30, 2025
Make it possible to change "now" Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

tweenjs/tween.js#697 · 1 comment · 1 reaction · Opened Dec 18, 2024
TWEEN.update()已弃用 Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

tweenjs/tween.js#696 · Opened Oct 17, 2024
update() behavior not fully specified in User Guide Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

tweenjs/tween.js#695 · Opened Oct 9, 2024
typo in docs/user_guide.md Open

Difficulty 1/5 Under an hour Newbie friendliness 55/100

tweenjs/tween.js#694 · Opened Oct 9, 2024
animation will pauses when the browser is minimized Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

tweenjs/tween.js#690 · 1 comment · Opened Sep 9, 2024
[bug] yoyo has wrong value Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tweenjs/tween.js#677 · 14 comments · 1 reaction · Opened Jan 25, 2024
[bug] calling tween.stop() does not cause tween.update() to return false Open

Bug

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

tweenjs/tween.js#665 · 1 reaction · Opened Aug 7, 2023
Repeating value is incorrect over time Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tweenjs/tween.js#660 · 1 comment · Opened Jun 24, 2023
Simplify Tween, remove some stuff, make it easier to maintain. Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

tweenjs/tween.js#655 · 9 comments · 2 reactions · Opened Jun 23, 2023
`Timeline` feature Open

Feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

tweenjs/tween.js#647 · 2 comments · 1 reaction · Opened Apr 23, 2023
Add docs in Korean Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tweenjs/tween.js#627 · 1 comment · Opened Feb 16, 2022
When the browser tab sleeps, the delay of repeated tweens is not keep Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

tweenjs/tween.js#557 · 1 comment · Opened Jul 6, 2020
make a round of performance tuning Open

tweenjs/tween.js#538 · 7 comments · 1 assignee · Opened May 31, 2020
Help add new easing functions Open

Feature good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tweenjs/tween.js#507 · 5 comments · Opened Nov 6, 2019
Animation on repeat speeds up over time. Open

Bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tweenjs/tween.js#378 · 17 comments · Opened Sep 17, 2017
automatic animation loop Open

Feature good first issue help wanted

tweenjs/tween.js#342 · 6 comments · 2 reactions · 1 assignee · Opened Jun 21, 2017
tween jumps (jitters) to the final value at the end of animation Open

Bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

tweenjs/tween.js#116 · 27 comments · Opened May 3, 2014

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