數(shù)字實(shí)現(xiàn)滾動(dòng)的效果
<span id="num1">1000</span>
<script src="https://cdn.bootcss.com/countup.js/1.9.3/countUp.js"></script>
<script type="text/javascript">???
?var options = {?????
?useEasing: true,??????
useGrouping: true,??????
separator: ',',??????
decimal: '.',?
? };???
?var num1 = new CountUp('num1', 0, 1000, 0, 2.5, options);???
?if (!num1.error) {? ??
?num1.start();??
? } else {?????
?console.error(num1.error);?
?? }
</script>
//num1:目標(biāo)元素的ID?
?//0：滾動(dòng)開始的數(shù)字
//100：滾動(dòng)結(jié)束的數(shù)字
//2.5 :完成整個(gè)效果的時(shí)間
