Add to cart

add-to-cart.markdown

Add to cart

A Pen by Mark Thomes on CodePen.

License.

index.html

<button type="button">
    <span>+</span>
    <span class="countContainer">
        <span class="count"></span>
    </span>
</button>

script.babel

const button = document.querySelector("button");
const count = button.querySelector(".count");

button.addEventListener("click", () => {
    if (button.classList.contains("isActive")) {
        count.innerHTML = "";
    } else {
        count.innerHTML = "1";
    }

    button.classList.toggle("isActive");
});

style.scss

$duration: 500ms;

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    font-family: "Montserrat", sans-serif;
}

button {
    font-family: "Montserrat", sans-serif;
    box-sizing: border-box;
    appearance: none;
    border: 4px solid red;
    border-radius: 30px;
    width: 60px;
    height: 60px;
    font-size: 40px;
    background-color: white;
    color: red;
    position: relative;
    cursor: default;
    transition: background-color ($duration / 4) linear;

    &:focus {
        outline: none;
    }

    &.isActive {
        background-color: red;
        animation: addToCart $duration linear forwards;
    }

    &::after {
        content: "";
        position: absolute;
        top: -4px;
        right: -4px;
        bottom: -4px;
        left: -4px;
        border: 4px solid red;
        border-radius: 30px;
    }
}

.countContainer {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transform: translateY(100%);
    transition: transform ($duration / 3) linear;
}

.isActive .countContainer {
    transform: translateY(0);
}

@keyframes addToCart {
    0% {
        transform: translateY(0);
    }
    33.333% {
        transform: translateY(5px);
        animation-timing-function: cubic-bezier(0.5, 1, 0.89, 1);
    }
    66.666% {
        transform: translateY(-15px);
        animation-timing-function: cubic-bezier(0.11, 0, 0.5, 0);
    }
    100% {
        transform: translateY(0);
    }
}