<!DOCTYPE html>
<html>
<head>
<title></title>
<script type="text/javascript" src="../js/common.js"></script>
</head>
<body>
<span id="a666"></span>
<script type="text/javascript">
con_IncreaseToNumber("a666",100086.10086,10000)
//数字跳转增长 目标id，跳转目标数值，跳转总时间
function con_IncreaseToNumber(id, number, timeSpan) {
var dom = document.getElementById(id);
//时间，默认2s；
var timeSpan = timeSpan || 2000;
var n = timeSpan / 100;
//频率
var degreen = parseInt(parseInt(number) / n);
var curValue = 0;
(function numberIncreaseTo() {
setTimeout(function() {
if (curValue < number) {
var tmpValue = curValue;
if ((tmpValue += degreen) < number) {
(curValue = tmpValue);
dom.innerHTML = tmpValue;
numberIncreaseTo();
} else {
(curValue = number);
dom.innerHTML = curValue;
}
}
}, 100);
})()
}
</script>
</body>
</html>
原文：https://www.cnblogs.com/ygxthink/p/9203124.html