js 双击事件,三击事件,多击事件的原理及其方法

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<button id="btn">按钮</button>
</body>
<script>
    var btn = document.getElementById('btn');

    function nclickEvent(n,dom,fn) {
        dom.removeEventListener('dblclick',null);
        var n = parseInt(n) < 1 ? 1:parseInt(n),
            count = 0,
            lastTime = 0;//用于记录上次结束的时间
        var handler = function (event) {
            var currentTime = new Date().getTime();//获取本次点击的时间
            count = (currentTime-lastTime) < 300 ? count +1 : 0;//如果本次点击的时间和上次结束时间相比大于300毫秒就把count置0
            lastTime = new Date().getTime();
            if(count>=n-1){
                fn(event,n);
                count = 0;
            }
        };
        dom.addEventListener('click',handler);
    }

    nclickEvent(3,btn,function (event,n) {
        console.log(n+'click');
        //这里面放置要处理的事件
    })

   );
</script>
</html>

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转载自blog.csdn.net/qq_37016928/article/details/82150545