How to achieve the effect of hiding scroll bars in uniapp

In recent years, with the popularity of mobile applications and websites, users have higher and higher requirements for a good user experience. One important aspect is the performance of the scrolling effect. However, some designers and front-end engineers may feel that the page scrolling effect interferes with the user's visual focus and affects the user experience, thus creating a need to hide the scroll bar. This article will introduce how to achieve the effect of hiding scroll bars in uniapp.

1. Use CSS styles to control scroll bars

CSS achieves the effect of hiding scroll bars by setting the overflow:hidden style. However, the performance of IOS and Android is different, especially IOS needs to set the -webkit- attribute. Therefore, we can use the following CSS style to achieve the effect of hiding the scroll bar, as follows:

::-webkit-scrollbar {
    width: 0 !important;
    height: 0 !important;
    display: none;
}

2. Use third-party components

If you don’t want to manually write CSS, we can use a third-party commonly used by uniapp Components in the component library to achieve the effect of hiding the scroll bar. Here are two commonly used component libraries:

1. vant component library

vant is a mobile UI component library based on Vue.js, which provides a wealth of Components and features, including scrolling components. In vant, there is a component called van-scroll. The scroll bar is hidden through the following code:

<!-- template -->
<van-scroll :class="scroll-class" :style="scroll-style">
    <div v-for="(item, index) in list" :key="index">{{item}}</div>
</van-scroll>

// js
export default {
  data() {
    return {
      scrollClass: 'scroll-class',
      scrollStyle: {
        'height': '400rpx'
      },
      list: [...]
    }
  }
}

2. uni-ui component library

uni-ui is A UI component library based on uniapp that provides vant-like components and functionality, including scrolling components. In uni-ui, there is a component called uni-scroll-view, which uses the following code to hide the scroll bar:

<!-- template -->
<uni-scroll-view :class="scroll-class" :style="scroll-style">
    <div v-for="(item, index) in list" :key="index">{{item}}</div>
</uni-scroll-view>

// js
export default {
  data() {
    return {
      scrollClass: 'scroll-class',
      scrollStyle: {
        'height': '400rpx'
      },
      list: [...]
    }
  }
}

3. Compatibility issues

It should be noted that the above There are compatibility issues with both methods. On iOS, both of the above methods can have the effect of hiding the scroll bar. However, on Android models, the CSS style method may have compatibility issues for some low-end models, and using third-party components also requires consideration of compatibility and performance issues. Therefore, developers need to choose based on the actual situation of their own projects.

To sum up, this article introduces how to achieve the effect of hiding scroll bars in uniapp. Developers can achieve this effect by manually setting CSS styles or using third-party components. However, it should be noted that different models and browsers perform different scrolling effects, and developers need to conduct sufficient testing and optimization to achieve a good user experience.

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