TikTok Tutorial #72 - How to create an Animated Tab Bar with CSS and Javscript

Learn with us how to create an Animated Tab Bar with CSS and Javascript!

If you found us on TikTok on the following post, check out this article and copy-paste the full code!

Happy coding! 😻

Contents:
1. HTML Code
2. CSS Code
3. Javascript Code

Get your code ⬇️

1. HTML Code

<menu class="menu"> <button class="menu__item active" style="--bgColorItem: #ff8c00;" > <svg class="icon" viewBox="0 0 24 24"> <path d="M3.8,6.6h16.4"/> <path d="M20.2,12.1H3.8"/> <path d="M3.8,17.5h16.4"/> </svg> </button> <button class="menu__item" style="--bgColorItem: #f54888;"> <svg class="icon" viewBox="0 0 24 24"> <path d="M6.7,4.8h10.7c0.3,0,0.6,0.2,0.7,0.5l2.8,7.3c0,0.1,0,0.2,0,0.3v5.6c0,0.4-0.4,0.8-0.8,0.8H3.8 C3.4,19.3,3,19,3,18.5v-5.6c0-0.1,0-0.2,0.1-0.3L6,5.3C6.1,5,6.4,4.8,6.7,4.8z"/> <path d="M3.4,12.9H8l1.6,2.8h4.9l1.5-2.8h4.6"/> </svg> </button> <button class="menu__item" style="--bgColorItem: #4343f5;" > <svg class="icon" viewBox="0 0 24 24"> <path d="M3.4,11.9l8.8,4.4l8.4-4.4"/> <path d="M3.4,16.2l8.8,4.5l8.4-4.5"/> <path d="M3.7,7.8l8.6-4.5l8,4.5l-8,4.3L3.7,7.8z"/> </button> <button class="menu__item" style="--bgColorItem: #e0b115;" > <svg class="icon" viewBox="0 0 24 24" > <path d="M5.1,3.9h13.9c0.6,0,1.2,0.5,1.2,1.2v13.9c0,0.6-0.5,1.2-1.2,1.2H5.1c-0.6,0-1.2-0.5-1.2-1.2V5.1 C3.9,4.4,4.4,3.9,5.1,3.9z"/> <path d="M4.2,9.3h15.6"/> <path d="M9.1,9.5v10.3"/> </button> <button class="menu__item" style="--bgColorItem:#65ddb7;"> <svg class="icon" viewBox="0 0 24 24" > <path d="M5.1,3.9h13.9c0.6,0,1.2,0.5,1.2,1.2v13.9c0,0.6-0.5,1.2-1.2,1.2H5.1c-0.6,0-1.2-0.5-1.2-1.2V5.1 C3.9,4.4,4.4,3.9,5.1,3.9z"/> <path d="M5.5,20l9.9-9.9l4.7,4.7"/> <path d="M10.4,8.8c0,0.9-0.7,1.6-1.6,1.6c-0.9,0-1.6-0.7-1.6-1.6C7.3,8,8,7.3,8.9,7.3C9.7,7.3,10.4,8,10.4,8.8z"/> </svg> </button> <div class="menu__border"></div> </menu> <div class="svg-container"> <svg viewBox="0 0 202.9 45.5" > <clipPath id="menu" clipPathUnits="objectBoundingBox" transform="scale(0.0049285362247413 0.021978021978022)"> <path d="M6.7,45.5c5.7,0.1,14.1-0.4,23.3-4c5.7-2.3,9.9-5,18.1-10.5c10.7-7.1,11.8-9.2,20.6-14.3c5-2.9,9.2-5.2,15.2-7 c7.1-2.1,13.3-2.3,17.6-2.1c4.2-0.2,10.5,0.1,17.6,2.1c6.1,1.8,10.2,4.1,15.2,7c8.8,5,9.9,7.1,20.6,14.3c8.3,5.5,12.4,8.2,18.1,10.5 c9.2,3.6,17.6,4.2,23.3,4H6.7z"/> </clipPath> </svg> </div>

2. CSS Code

html { box-sizing: border-box; --bgColorMenu : #1d1d27; --duration: .7s; } html *,
html *::before,
html *::after { box-sizing: inherit; } body{ margin: 0; display: flex; height: 100vh; overflow: hidden; align-items: center; justify-content: center; background-color: #ffb457; -webkit-tap-highlight-color: transparent; transition: background-color var(--duration); } .menu{ margin: 0; display: flex; /* Works well with 100% width */ width: 32.05em; font-size: 1.5em; padding: 0 2.85em; position: relative; align-items: center; justify-content: center; background-color: var(--bgColorMenu); } .menu__item{ all: unset; flex-grow: 1; z-index: 100; display: flex; cursor: pointer; position: relative; border-radius: 50%; align-items: center; will-change: transform; justify-content: center; padding: 0.55em 0 0.85em; transition: transform var(--timeOut , var(--duration)); } .menu__item::before{ content: ""; z-index: -1; width: 4.2em; height: 4.2em; border-radius: 50%; position: absolute; transform: scale(0); transition: background-color var(--duration), transform var(--duration); } .menu__item.active { transform: translate3d(0, -.8em , 0); } .menu__item.active::before{ transform: scale(1); background-color: var(--bgColorItem); } .icon{ width: 2.6em; height: 2.6em; stroke: white; fill: transparent; stroke-width: 1pt; stroke-miterlimit: 10; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 400; } .menu__item.active .icon { animation: strok 1.5s reverse; } @keyframes strok { 100% { stroke-dashoffset: 400; } } .menu__border{ left: 0; bottom: 99%; width: 10.9em; height: 2.4em; position: absolute; clip-path: url(#menu); will-change: transform; background-color: var(--bgColorMenu); transition: transform var(--timeOut , var(--duration)); } .svg-container { width: 0; height: 0;
} @media screen and (max-width: 50em) { .menu{ font-size: .8em; }
}

3. Javascript Code

// Designed by: Mauricio Bucardo
// Original image:
// https://dribbble.com/shots/5619509-Animated-Tab-Bar "use strict"; const body = document.body;
const bgColorsBody = ["#ffb457", "#ff96bd", "#9999fb", "#ffe797", "#cffff1"];
const menu = body.querySelector(".menu");
const menuItems = menu.querySelectorAll(".menu__item");
const menuBorder = menu.querySelector(".menu__border");
let activeItem = menu.querySelector(".active"); function clickItem(item, index) { menu.style.removeProperty("--timeOut"); if (activeItem == item) return; if (activeItem) { activeItem.classList.remove("active"); } item.classList.add("active"); body.style.backgroundColor = bgColorsBody[index]; activeItem = item; offsetMenuBorder(activeItem, menuBorder); } function offsetMenuBorder(element, menuBorder) { const offsetActiveItem = element.getBoundingClientRect(); const left = Math.floor(offsetActiveItem.left - menu.offsetLeft - (menuBorder.offsetWidth - offsetActiveItem.width) / 2) + "px"; menuBorder.style.transform = `translate3d(${left}, 0 , 0)`; } offsetMenuBorder(activeItem, menuBorder); menuItems.forEach((item, index) => { item.addEventListener("click", () => clickItem(item, index)); }) window.addEventListener("resize", () => { offsetMenuBorder(activeItem, menuBorder); menu.style.setProperty("--timeOut", "none");
});

I hope you did find this tutorial useful!

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