Анимированный Tab Bar

Пример:

HTML:

<div class="menu-container"> 
	<div 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: #337AB7;">
			<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"/>
			</svg>
		</button>
		<button class="menu-item" style="--bgColorItem: #e0b115;"> 
			<svg class="icon" viewBox="0 0 24 24" >
				<path d="M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z"></path>
				<polyline points="22,6 12,13 2,6"></polyline>
			</svg>	
		</button>
		<button class="menu-item" style="--bgColorItem: #589f2c;">
			<svg class="icon" viewBox="0 0 24 24" >
				<path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"></path>
				<circle cx="12" cy="13" r="4"></circle>
			</svg>
		</button>
		<div class="menu-border"></div>
	</div>
</div> 
<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>

</svg>

</button>

<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"/>

</svg>

</button>

</svg>

</button>

</svg>

</button>

</svg>

</button>

</div>

<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>

Цвет активной вкладки задается в переменной --bgColorItem

CSS:

.menu-container * {
	box-sizing: border-box;
}		
.menu-container {
    margin: 0;
    display: flex;
    height: 10em;
    overflow: hidden;
	align-items: flex-end;
    justify-content: center;
}
.menu {
    margin: 0;
    display: flex;
    width: 100%;
    font-size: 1.5em;
    padding: 0 2.5em;
    position: relative;
    align-items: center;
    justify-content: center;
    background-color: #1d1d27;
}
.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 , .7s);  
}
.menu-item::before {
    content: "";
    z-index: -1;
    width: 4.2em;
    height: 4.2em;
    border-radius: 50%;
    position: absolute;
    transform: scale(0);
    transition: background-color .7s, transform .7s;  
}
.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: #1d1d27;
    transition: transform var(--timeOut , .7s); 
}
.svg-container {
    width: 0;
    height: 0;
}
@media screen and (max-width: 50em) {
	.menu-container {
		height: 6em;
	}
    .menu {
        font-size: .8em;
	}
}

.menu-container * {

box-sizing: border-box;

}

.menu-container {

margin: 0;

display: flex;

height: 10em;

overflow: hidden;

align-items: flex-end;

justify-content: center;

}

.menu {

margin: 0;

display: flex;

width: 100%;

font-size: 1.5em;

padding: 0 2.5em;

position: relative;

align-items: center;

justify-content: center;

background-color: #1d1d27;

}

.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 , .7s);

}

.menu-item::before {

content: "";

z-index: -1;

width: 4.2em;

height: 4.2em;

border-radius: 50%;

position: absolute;

transform: scale(0);

transition: background-color .7s, transform .7s;

}

.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: #1d1d27;

transition: transform var(--timeOut , .7s);

}

.svg-container {

width: 0;

height: 0;

}

@media screen and (max-width: 50em) {

.menu-container {

height: 6em;

}

.menu {

font-size: .8em;

}

JS:

"use strict"; 
const menu = document.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");
    activeItem = item;
    offsetMenuBorder(activeItem, menuBorder); 
}
function offsetMenuBorder(element, menuBorder) {
    const offsetActiveItem = element.getBoundingClientRect();
    const left = Math.floor(element.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");
});

"use strict";

const menu = document.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");

activeItem = item;

offsetMenuBorder(activeItem, menuBorder);

}

function offsetMenuBorder(element, menuBorder) {

const offsetActiveItem = element.getBoundingClientRect();

const left = Math.floor(element.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");

});

Найдено на codepen.io у пользователя abxlfazl khxrshidi

Алексей: 03.04.2024 в 22:32

Подскажите пожалуйста, куда прописывается контент табы?

Ответить
- Alexander: 04.04.2024 в 09:00
  
  Это просто анимация кнопок для дальнейшего творчества, например перехода по якорям, подзагрузки контента или перелистывания табов.
  
  Ответить
Роман: 19.04.2022 в 19:26

А можете сделать адаптивный блок автора статьи? Это когда в конце статьи размещен блок автора поста: Слева аватарка, имя автора, подпись его, ссылки на его соцсети ...

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Пример:

HTML:

CSS:

JS:

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