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what is tween.js fr?

yyx990803/tween.js — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2013-10-22

★ 5JavaScriptAudience · developerComplexity · 2/5DormantSetup · easy

tl;dr

A lightweight JavaScript library for smoothly animating values over time, like fading elements in or sliding objects across the screen.

vibe map

mindmap
  root((repo))
    What it does
      Animates values smoothly
      Interpolates start and end
      Supports easing patterns
    Tech stack
      JavaScript
    Use cases
      Animate game characters
      Fade UI elements in
      Animate dashboard counters
    Audience
      Web developers
      Game developers

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filefunction / class

what do people make with this?

VIBE 1

Animate a game character sliding smoothly across the screen

VIBE 2

Fade website elements in and out with a natural easing curve

VIBE 3

Animate a dashboard number counting up to its final value

what's the stack?

JavaScript

how it stacks up fr

yyx990803/tween.js00kaku/wp-rest-playgroundchalarangelo/mini-active-record
Stars555
LanguageJavaScriptJavaScriptJavaScript
Last pushed2013-10-22——
MaintenanceDormant——
Setup difficultyeasyhardeasy
Complexity2/53/51/5
Audiencedeveloperdevelopervibe coder

Figures from each repo's GitHub metadata at analysis time.

how do i run it?

Difficulty · easy time til it works · 5min

prompts (copy fr)

prompt 1
Show me how to use tween.js to fade a div element in over one second
prompt 2
Set up a tween that animates a character's position across the screen with a bounce easing effect
prompt 3
Animate a counter on my dashboard from 0 to 100 using tween.js

Frequently asked questions

what is tween.js fr?

A lightweight JavaScript library for smoothly animating values over time, like fading elements in or sliding objects across the screen.

What language is tween.js written in?

Mainly JavaScript. The stack also includes JavaScript.

Is tween.js actively maintained?

Dormant — no commits in 2+ years (last push 2013-10-22).

How hard is tween.js to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is tween.js for?

Mainly developer.

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