Как сделать плавную анимацию возврата меню в исходное положение?

Question

[Zhenya Tureysky]

Есть вот такое фиксированное меню

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    position: fixed;
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    left: 0;
    z-index: 9999;
    width: 100%;
}
.header__top__scrol {
    animation: scroltopmenu 1s forwards;
}
@keyframes scroltopmenu {
    0% {
        padding: 20px 0px;
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    100% {
       padding: 7px 0px; 
    }
}

.header__top__wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0px;
}

window.onscroll = () => {
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При скроле вниз оно немного уменьшает свою высоту , а когда проматываешь вверх оно возвращается в исходное положение но это происходит очень резко оно зразу становиться той высоты которая была изначально, а нужно чтоб это было все плавно
Как мне это сделать ?

Вот это все дело на codepen
https://codepen.io/Zhenya-Tureysky/pen/ExRVPqe

Comments

[godsplane]

Нужно добавлять еще один класс при закрытии

[Alexey Levicky]

Вы добавляете класс с анимацией а потом удаляете. При удалении класса хедер переходит к исходным стилям, но там анимации нет. В данном случае лучше использовать смену состояний через transition

.header {
  padding: 20px 0;
  transition: padding 1s ease-in-out;
  transform: translateZ(0); // optimization hack
  will-change: padding;
}
.header__top__scroll {
  padding: 7px 0;
}

[Zhenya Tureysky]

godsplane, а как это сделать ?

Answer 1

[Noder SS]

Версия с анимацией запутывает, могу с нуля сделать

Comments

[Zhenya Tureysky]

ну давай если не сложно

[Noder SS]

Zhenya Tureysky,

<!DOCTYPE html>
<html lang="en">
<head>
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  <meta http-equiv="X-UA-Compatible" content="IE=edge">
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*{
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}
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}
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    padding: 10px 0px 10px 0px;
    position: fixed;
    display: flex;
    transition-duration: 0.2s;
    background: rgb(198, 235, 255);
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    align-items: center;

  }
  .items-hat{
    width: 500px;
    font-family: Montserrat;
    font-weight: 400;
    cursor: pointer;
    display: flex;
justify-content: space-between;
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</style>
<script>
  let hat = document.querySelector('.hat')
window.onscroll = function(){
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    hat.style.padding = "5px 0px 5px 0px"
  }
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    hat.style.padding = "10px 0px 10px 0px"
  }
}
</script>
</html>

[Noder SS]

Zhenya Tureysky, допоміг? Чи як

[Noder SS]

Zhenya Tureysky, Жень, ты жив то еще?