[CSS] 页面在IOS webview中顺滑滑动

给滚动容器增加样式

<div class="scroll-container">
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
    <div>1</div>
</div>

.scroll-container {
    height: 50px;
    overflow: auto;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

demo:
https://stackblitz.com/edit/scroll-smooth

关键样式：
scroll-behavior: smooth;
-webkit-overflow-scrolling: touch;