Read the wheelevent in one article

https://segmentfault.com/a/1190000017390159?utm_source=tag-newest

<template>
  <el-scrollbar
    ref="scrollContainer"
    :vertical="false"
    class="scroll-container"
    @wheel.native.prevent="handleScroll"
  >
    <slot/>
  </el-scrollbar>
</template>

<script>
export default {
    
  name: "ScrollPane",
  data() {
    
    return {
    
      left: 0
    };
  },
  methods: {
    
    handleScroll(e) {
    
      // wheelDelta： Get the scroll wheel rolling direction , Up 120, Down -120, But constant , Independent of roller speed 
      // deltaY： Vertical scrolling range , Positive values scroll down . The default value for the number of vertical lines of the computer mouse wheel is 3
      // wheelDelta Only some browsers support ,deltaY Almost all browsers support 
      const eventDelta = e.wheelDelta || -e.deltaY * 40;
      const $scrollWrapper = this.$refs.scrollContainer.$refs.wrap;
      // 0 To scrollLeft Hide part for scrolling area 
      $scrollWrapper.scrollLeft = $scrollWrapper.scrollLeft + eventDelta / 4;
    }
  }
};
</script>