数字递加效果
2019-06-05 本文已影响0人
放下手机出来嗨
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div class="count"></div>
<script type="text/javascript" src="https://cdn.bootcss.com/jquery/2.2.2/jquery.min.js" ></script>
<script>
function countUp(count) {
'use strict';
var div_by = 100,
speed = Math.round(count / div_by),
$display = $('.count'),
run_count = 1,
int_speed = 24;
var int = setInterval(function () {
if (run_count < div_by) {
$display.text(speed * run_count);
run_count++;
} else if (parseInt($display.text()) < count) {
var curr_count = parseInt($display.text()) + 1;
$display.text(curr_count);
} else {
clearInterval(int);
}
}, int_speed);
}
countUp(495);
</script>
</body>
</html>
