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Mike D

Tween value only, not an object property

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Warning: Please note

This thread was started before GSAP 3 was released. Some information, especially the syntax, may be out of date for GSAP 3. Please see the GSAP 3 migration guide and release notes for more information about how to update the code to GSAP 3's syntax. 

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Hi guys,


Does anyone know how to creat the equivalent of this TWEEN function using Greensock?

new TWEEN.Tween({ val: 0 })
            .to({ val: 1 }, 500)
            .onUpdate(function () {

               // some logic here
            .onComplete(function () {
                // some logic here

Thank you.

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The property you tween must belong to some object, but any generic JS object will do.

The target of your tween does not need to be a DOM element or anything.


I had this laying around:

//TweenLite can tween any numeric property of any object

var game = {score:0},
    add20Btn = document.getElementById("add20Btn");
scoreDisplay = document.getElementById("score");

add20Btn.onclick = add20;

function add20() {
  TweenLite.to(game, 1, {score:"+=20", roundProps:"score", onUpdate:updateHandler, ease:Linear.easeNone});

function updateHandler() {
  scoreDisplay.innerHTML = game.score;




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Thanks a lot Carl, I JUST figured it out before rechecking this post. 

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