css画坐标点

<template>
  <div class="container">
    <!-- css画图形成20坐标点 -->
    {{ points }}
    <div class="background">
      <div
        class="points"
        v-for="(item, index) in points"
        :key="index"
        :style="{ left: item.x, top: item.y }"
      ></div>
    </div>
  </div>
</template>  
  
<script>
export default {
  data() {
    return {
      points: [],
    };
  },
  created() {
    for (let i = 0; i < 20; i++) {
      const x = Math.random() * 3000;
      const y = Math.random() * 1000;
      this.points.push({
        x: x + "px",
        y: y + "px",
      });
    }
  },
  mounted() {},
};
</script>  
  
<style scoped>
.background {
  position: relative;
  width: 100%;
  height: 100%;
  background: #c1c1c1;
}

.points {
  position: absolute;
  width: 10px;
  height: 10px;
  background: #000;
  border-radius: 50%;
}
</style>