scale-text element to a large size: const tl = new gsap. So in our example, we want to create a tween that scales the. To make things even easier, we can chain tweens together. Pretty straightforward! To create tweens, we can tack them onto the timeline. fromTo() - animates an element from one thing to another. from() - animates an element from something. GSAP includes three different types of tweens: You can include as many tweens as needed to complete the animation. An object explaining how the element will animate, including CSS properties to animate.Tweens explain what the animation should do be tween the start and end of the timeline. Now we are able to describe what animations should occur within that timeline - we can do that with tweens. To create a GSAP timeline, we can initialize like so: const tl = new gsap. This enables much more complex animations than what CSS keyframes provide. One of the key things GSAP provides as a library is the ability to create animations based on a timeline. I already included HTML, CSS, GSAP, and the ScrollTrigger plugin, so no need to set anything up! We’ll focus on the JavaScript to find out that with a few lines of code, we can build a neat scroll trigger animation. As you scroll the page, the text scales to highlight the importance of the message.įor this demo I have created a Codepen to follow along with. To show this off, let’s build a neat effect I came across on a website recently! The website included a hero section containing text. GSAP is useful for all sorts of animations, including scroll triggered effects. My personal favorite library to animate with is the GreenSock Animation Platform. Intersection observer can be difficult to work with, so a library such as Animate on scroll may make things simpler. The intersection observer API provides a vanilla JavaScript approach to adding scroll effects by triggering functions when elements intersect certain points of the viewport. These types of things can enhance the user experience on your page. Cards and content popping in at various points on the page. Background colors changing to differentiate page sections. A simple way to include such a thing on webpages is by triggering some sort of effect when scrolling.Įlements fading in and out to tell a story. ![]() ![]() The animation will simply involve moving the element from left: 0% to left: -100%, this will animate the entire element away from the viewport.I’m a huge fan of animation on the web, especially when it comes to user interaction. ![]() We make the parent element position: relative with a discrete width like width: 100vw, and the child element position: absolute with width: inherit because we’ll be animating it with the CSS left property. To achieve this we’ll need its parent element to have an overflow: hidden, so as the element animates out, it remains hidden. To understand how this animation works let’s break it down a little, it simply involves animating an element across the screen. When you open some websites like JamStack, you’ll see an animation that shows the frameworks compatible with the JamStack, also on some other websites they use this cool animation to show customer reviews, sponsors, testimonials, etc. This guide is to help you understand the concept of how Infinite auto-scroll animations you see on websites like JamStack work, and how to implement them with just CSS!.
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