jquery获取滚动条高度

$(window).scroll(function() {
    var scrollTop = $(window).scrollTop();
    console.log("滚动高度: " + scrollTop);
});

$(document).ready(function() {
    var elementScrollTop = $('#myElement').scrollTop();
    console.log("元素滚动高度: " + elementScrollTop);
});

$(document).ready(function() {
    $(window).scroll(function() {
        var scrollTop = $(window).scrollTop();
        console.log("滚动高度: " + scrollTop);
    });
});

function throttle(func, wait) {
    var timeout = null;
    return function() {
        var context = this, args = arguments;
        if (!timeout) {
            timeout = setTimeout(function() {
                timeout = null;
                func.apply(context, args);
            }, wait);
        }
    };
}

$(window).scroll(throttle(function() {
    var scrollTop = $(window).scrollTop();
    console.log("滚动高度: " + scrollTop);
}, 200));