Poof☁️! Make Web Elements Disappear Like Magic with This Code Technique

The idea of transitioning Web Elements from a state to another using opacity, scale, translate, even visibility and display, has got very ordinary and old, although it's not that bad, but it has to move forward, take a new step, be something else, and today I introduce you a magic-like inspired effect that poofs the element away using anything such as its letters, rectangles, circles, even a sampled particles of an image! (could you imagine).

So the idea is changing our element to be somekind of parts, and those parts may come from it if it's a text element like Headings they 'll be letters, and if it's an image they 'll be sampled colored particles, Now this CodePen below shows the basic concept of creating the effect:

As you can see the above example shows that the parts are centered and when they are being animated they got transformed from this centered position into random position using a utility function like this:

const rand = (min, max) => Math.floor(Math.random() * (max - min) + min)

But now in order to achieve the Poof Effect, we need to hide our initial element just before animating the particles, I used scale to hide it, this scaling will also affect our particles, in order to prevent that we will need to create an element to contain our particles, and this element has to be similar to our initial element, and after we the scaling animation of the initial element finished and poofing animation of each particle of the particles finished, we will remove the initial element along with the element that contains our particles

Note that I've create 2 arrays, one for the particles "named parts", and one for animations, this second array will be passed to a Promise.all method to figure out the finishing of the animation without using hard-coded setTimouts

  const div = document.querySelector("div");
        let parts = [];
        let animations = [];

return Promise.all(animations.map(animation => animation.finished)).then(() => {
                div.remove()
                poof.remove()
            })

What could happen if we position our particles absolutely in a grid-like form rather than in a centered position, and this form will be in rows and columns, using a main for loop to position rows and a nested for loop to position columns

The Effect is finished! but what about using a cloud image instead of the colored rectangle, and even colorize it with the initial element's color, using 2 stacked background images one is linear gradient of the initial element's color, second is the the actual image of the cloud, then apply a background-blend-mode of multiply, along with masking the particle element with a mask image of the cloud

                    --cloud: 
url(https://static.vecteezy.com/system/resources/thumbnails/013/994/726/small/white-3d-cloud-png.png);
                    position: absolute;
                    width: 50px;
                    height: 50px;
                    background: linear-gradient(crimson, crimson) no-repeat center / contain, var(--cloud) no-repeat center / contain;
                    background-blend-mode: multiply;
                    mask: var(--cloud) no-repeat center / contain;
                    top:50%;
                    left: 50%;
                    translate: -50% -50%; 
                    `

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As I said in the first of the article, that there is a poof effect for images that uses its pixels to sample colors from it and then using these colors for particles, So this poof effect for images will be our upcoming article

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