节流器.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <button id="dianji">点击</button>
    <script>
        var time = null,
            i = 0
        dianji.onclick = function(){
            window.clearTimeout(time)
            time = window.setTimeout(function(){
                console.log(i++)
            },2000)
        }
    </script>
</body>
</html>