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Animating width

Dovisally test
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Hello,

I have a block over a text and i want to reveal the text and make the width of the block zero

as far as i know it is bad for performance to animate width,

and since i'm gonna use this animation quite a lot i'm worried to animate width

 

so is there is any better solution for my little problem ?

also can i change the animation direction from right > left to left > right ?

See the Pen LYpmKJb by dovisally (@dovisally) on CodePen

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Thank you so much Mikel ❤️

one more question if you don't mind, i can't get it to work with intersection observer

just wanted to know what i'm doing wrong ? i'm not getting any errors in the console so i assume it's not a typo
 

const targets = document.querySelectorAll('.block');
const blockReveal = target => {
  const io = new IntersectionObserver((entries, observer) => {
    entries.forEach(entry => {
        if(entry.isIntersecting) {
            const block = entry.target;
            gsap.to(block, { scaleX: 0, ease: Power4.easeIn, stagger: 0.1,}, 0.1);
            observer.disconnect();
        }
    });
  });
  io.observe(target);
};
targets.forEach(blockReveal);

 

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27 minutes ago, Dovisally said:

i can't get it to work with intersection observer

just wanted to know what i'm doing wrong ?

A few notes:

  • I'd create just one intersection observer and observe all of your elements using it. Then instead of observer.disconnect I'd use .unobserve.
  • You have 0.1 in the stagger, but there's just one element so it's not going to have an effect.
  • You have 0.1 in the position parameter but it's not a timeline tween so that's invalid. For more info, see our page on the position parameter.

Based on just the code you provide I would think that it would animate once the element starts being visible. The only time when it wouldn't is if your elements start inside of the window and never are scrolled out of the window.

 

Can you please create a minimal demo exemplifying the issue?

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