filters: {
    // 截取字符串
    subStringText(value, index) {
      const str = String(value);
      if (!value) return 0;
      return str.length > index ? str.substring(0, index) + '...' : str;
    },
   // 格式化數(shù)字
    formatNumber(num,decimals) {
      num = num.toFixed(decimals);
      num += '';
      const x = num.split('.');
      let x1 = x[0];
      const x2 = x.length > 1 ? '.' + x[1] : '';
      const rgx = /(\d+)(\d{3})/;
      if (',' && isNaN(parseFloat(','))) {
        while (rgx.test(x1)) {
          x1 = x1.replace(rgx, '$1' + ',' + '$2');
        }
      }
      return  x1 + x2;
    },
  },

html:
<div class="develop">
<!--滾動(dòng)的數(shù)字-->
        <p><span class="shuzi">3000000</span></p>
        <p><span class="shuzi">60000</span></p>
    </div>

js:
$(".navigation_right li").click(function () {
    $(this).siblings('li').removeClass("yanse");
  });
  let arr = $(".develop>p>.shuzi");
  arr.each(function(e, a){
    let num = $(a).text()
    let i = 0;
    let count = parseInt(num /500);
    let timer = setInterval(function(){
      $(a).text(i)
      i += count;
      if (i > num)
        window.clearInterval(timer)
    }, 5)
  })

npm install vue-count-to

<template>
  <countTo :startVal='startVal' :endVal='endVal' :duration='3000'></countTo>
</template>
<script>
//直接引入組件'vue-count-to'
  import countTo from 'vue-count-to';
  export default {
  //注冊(cè)組件
    components: { countTo },
    data () {
      return {
      //數(shù)字開(kāi)始
        startVal: 0,
       //數(shù)字結(jié)束
        endVal: 50000
      }
    }
  }
</script>