vuejs大屏BI数字滚动效果

let number = 500; //总数
for (var i = 0; i < number; i++) {
	this.timer = setInterval(() => {
	  if (number < 1) {
		clearInterval(this.timer);
		this.timer = null;
	  } else {
		number--;
		this.number++;
	  }
	}, 1);
}

//this.number最后赋值