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in Technique[技术] by (71.8m points)

节流函数为什么,点击无效,监听窗口大小却有效?

网上抄来的节流函数
两种触发方式一种是window.onresize = throttle(resizehandler, 100, 500);
第二种是<div class="cm-btn sub cp" onclick="resizehandler()">确定</div>
为什么第一种能节流,第二种,却无效

function throttle(method, delay, duration) {
        var timer = null,
            begin = new Date();
        return function() {
            var context = this,
                args = arguments,
                current = new Date();;
            clearTimeout(timer);
            if (current - begin >= duration) {
                method.apply(context, args);
                begin = current;
            } else {
                timer = setTimeout(function() {
                    method.apply(context, args);
                }, delay);
            }
        }
    }

    function resizehandler() {
        console.log(new Date().getTime());
    }
    window.onresize = throttle(resizehandler, 100, 500);

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1 Answer

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by (71.8m points)

你第二种并没有使用节流啊


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