
- countup.js
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="countup.js"></script>
</head>
<body>
<h2 id="number"></h2>
<script type="text/javascript">
numberJump('number',123456,'km')
function numberJump(elementId, target, suffix) {
if (!$('#' + elementId).attr('data-src')) {
$('#' + elementId).attr('data-src', 0);
}
var src = $('#' + elementId).attr('data-src');
if (src == target) {
return;
}
var options = {
useEasing: true,
useGrouping: true,
separator: ',',
decimal: '.',
suffix: suffix || ''
};
var demo = new CountUp(elementId, src, target, 0, 4, options);
demo.start();
$('#' + elementId).attr('data-src', target);
}
</script>
</body>
</html>
- test.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script src="countup.js"></script>
</head>
<body>
<h2 id="number"></h2>
<script type="text/javascript">
numberJump('number',123456,'km')
function numberJump(elementId, target, suffix) {
if (!$('#' + elementId).attr('data-src')) {
$('#' + elementId).attr('data-src', 0);
}
var src = $('#' + elementId).attr('data-src');
if (src == target) {
return;
}
var options = {
useEasing: true,
useGrouping: true,
separator: ',',
decimal: '.',
suffix: suffix || ''
};
var demo = new CountUp(elementId, src, target, 0, 4, options);
demo.start();
$('#' + elementId).attr('data-src', target);
}
</script>
</body>
</html>
具体的其他参数和方法可以参照
https://inorganik.github.io/countUp.js/
本文介绍CountUp.js,一个用于数字动画显示的JavaScript库。它支持数字的平滑过渡和格式化,如分组、小数点和后缀设置。通过示例代码展示如何在网页上使用该库实现数字跳动效果。
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