tab标签

下载代码

html

css

分享到微信朋友圈

html

css

#tabbar {
  --background: #D4E8FF;
  --color: #0D0F18;
  --shadow: #0D3ED8;
  position: relative;
  -webkit-tap-highlight-color: transparent;
  border-radius: 51px;
  height: 760px;
  overflow: hidden;
  background: #fff;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  box-shadow: 0 30px 120px 0 var(--shadow);
  display: -webkit-box;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
          flex-direction: column;
  --background-scale-x: 1;
  --background-scale-y: 1;
}
#tabbar.pressed {
  --background-opacity: 1;
  --background-duration: .15s;
  --background-delay: 0s;
}
#tabbar .background {
  position: absolute;
  left: 0;
  bottom: 0;
  right: 0;
  height: 220px;
  border-radius: 0 0 51px 51px;
  overflow: hidden;
  opacity: var(--background-opacity, 0);
  -webkit-transition: opacity var(--background-duration, 0.5s) linear var(--background-delay, 0.2s);
  transition: opacity var(--background-duration, 0.5s) linear var(--background-delay, 0.2s);
}
#tabbar .background:before, #tabbar .background:after {
  content: '';
  position: absolute;
}
#tabbar .background:after {
  left: 0;
  right: 0;
  bottom: 0;
  height: 108px;
  border-radius: 31px 31px 0 0;
  background: -webkit-gradient(linear, left top, left bottom, from(var(--background)), color-stop(60%, #fff));
  background: linear-gradient(var(--background), #fff 60%);
  -webkit-transform: scale(var(--background-scale-x), var(--background-scale-y)) translateZ(0);
          transform: scale(var(--background-scale-x), var(--background-scale-y)) translateZ(0);
}
#tabbar .background:before {
  left: var(--dot-left, 50%);
  bottom: 32px;
  border-radius: 50%;
  width: 64px;
  height: 64px;
  margin-left: -32px;
  background: var(--background);
  -webkit-transform: translateY(var(--dot-y, 0)) scale(var(--dot-scale, 1)) translateZ(0);
          transform: translateY(var(--dot-y, 0)) scale(var(--dot-scale, 1)) translateZ(0);
}
@media all and (-webkit-min-device-pixel-ratio: 0) and (min-resolution: 0.001dpcm) {
  #tabbar .background {
    -webkit-filter: url(#goo);
            filter: url(#goo);
  }
}
#tabbar ul {
  margin: auto 0 0 0;
  padding: 0;
  list-style: none;
  width: 375px;
  height: 108px;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  position: relative;
  z-index: 1;
}
@media (max-width: 400px) {
  #tabbar ul {
    width: 340px;
  }
}
#tabbar ul li {
  --button-opacity: 1;
  margin-top: 24px;
}
#tabbar ul li:not(:first-child) {
  margin-left: 24px;
}
#tabbar ul li:not(:last-child) {
  margin-right: 24px;
}
#tabbar ul li.active {
  --icon-opacity: 0;
  --icon-filled-opacity: 1;
}
#tabbar ul li button {
  display: block;
  width: 28px;
  height: 28px;
  padding: 0;
  margin: 0;
  cursor: pointer;
  outline: none;
  background: none;
  border: none;
  position: relative;
  -webkit-appearance: none;
  opacity: var(--button-opacity);
}
#tabbar ul li button svg {
  display: block;
  width: 28px;
  height: 28px;
  opacity: var(--opacity, var(--icon-opacity, 1));
  -webkit-transition: opacity .25s linear;
  transition: opacity .25s linear;
}
#tabbar ul li button svg:last-child {
  --opacity: var(--icon-filled-opacity, 0);
  position: absolute;
  top: 0;
  left: 0;
}

* {
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

html {
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

* {
  box-sizing: inherit;
}
*:before, *:after {
  box-sizing: inherit;
}

body {
  overflow: hidden;
  min-height: 100vh;
  font-family: 'Inter';
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
          flex-direction: column;
  -webkit-box-align: center;
          align-items: center;
  background: #275EFE;
}

JavaScript

const tabbar = document.querySelector('#tabbar')
const listEntries = tabbar.querySelectorAll('li')

listEntries.forEach((entry, entryIndex) => {

let button = entry.querySelector('button'),
        tweenEntries,
        tweenBackground,
        tweenIcons;

button.addEventListener('pointerdown', e => {

tabbar.classList.add('pressed');

[...listEntries].filter(e => e.classList.contains('active'))[0].classList.remove('active')
        entry.classList.add('active')

gsap.set(tabbar, {
            '--dot-left': entry.offsetLeft + entry.offsetWidth / 2 + 'px'
        })

tweenEntries = gsap.to([...listEntries].filter((e, i) => i !== entryIndex), {
            x(i) {
                return i < entryIndex ? 12 : -12
            },
            y: -4,
            duration: .6,
            delay: .2,
            ease: 'power2.out'
        })

tweenBackground = gsap.to(tabbar, {
            '--background-scale-x': .9,
            '--background-scale-y': 1.1,
            '--dot-y': -116 + 'px',
            duration: .5,
            delay: .2,
            ease: 'power2.out'
        })

tweenIcons = gsap.to(button.querySelectorAll('svg'), {
            y: -112,
            duration: .55,
            delay: .15,
            ease: 'power2.out'
        })

})

button.addEventListener('pointerup', e => {

tabbar.classList.remove('pressed')

tweenEntries.pause()
        tweenBackground.pause()
        tweenIcons.pause()

gsap.to(tabbar, {
            '--background-scale-x': 1,
            '--background-scale-y': 1,
            duration: .8,
            ease: 'elastic.out(1, .4)'
        })

gsap.to([...listEntries].filter((e, i) => i !== entryIndex), {
            x: 0,
            y: 0,
            duration: .8,
            ease: 'elastic.out(1, .4)'
        })

gsap.to(entry, {
            '--button-opacity': 0,
            duration: .25
        })

gsap.to(button.querySelectorAll('svg'), {
            scale: 0,
            duration: .25
        })

gsap.to(tabbar, {
            '--dot-scale': 0,
            duration: .25,
            onComplete() {
                gsap.set(tabbar, {
                    '--dot-y': 0,
                    '--dot-scale': 1
                })
                gsap.set(button.querySelectorAll('svg'), {
                    y: 0
                })
                gsap.to(entry, {
                    '--button-opacity': 1,
                    duration: .25
                })
                gsap.to(button.querySelectorAll('svg'), {
                    scale: 1,
                    duration: .25
                })
            }
        })

})

粒子时间文字 hover canvas 3d 游戏音乐火焰水波轮播图鼠标跟随动画 css 加载动画导航菜单按钮滑块 tab 弹出层统计图 svg