<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK" />
<title>无标题文档</title>
<script
src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<div id="mydiv" style="width:100px; height:100px; background:#ddd;">out</div>
</body>
</html>
<script>
/*设置一个长按的计时器，如果点击这个图层超过2秒则触发，mydiv里面的文字从out变in的动作*/
var timeout ;
$("#mydiv").mousedown(function() {
console.log(1)
timeout = setTimeout(function() {
$("#mydiv").text("in");
}, 2000);
});
$("#mydiv").mouseup(function() {
clearTimeout(timeout);
$("#mydiv").text("out");
});
$("#mydiv").mouseout(function() {
clearTimeout(timeout);
$("#mydiv").text("out");
});
</script>
原文：https://www.cnblogs.com/bchange/p/9181926.html