Hook.js – 在传统网页上实现手机中的下拉刷新效果

<script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>
<link rel="stylesheet" href="hook/hook.css" type="text/css" />
<script src="hook/hook.js" type="text/javascript"></script>

<div id="hook">
	<div id="loader">
		<div class="spinner"></div>
	</div>
	<span id="hook-text">Reloading...</span>
</div>　　

$(function () {
    window.loadheight = $('#hook').height();
    window.hidden = $("#hook").animate("marginTop", "-" + loadheight + "px");
    window.visible = $("#hook").animate("marginTop", "0px");
    $("#hook").css("marginTop", "-" + loadheight + "px")
});
$(function hook() {
    var loadheight = $('#hook').height();
    $(window).scroll(function (event) {
        var st = $(window).scrollTop();
        if (st <= 0) {
            $("#hook").animate({
                "marginTop": "0px"
            }, 200);
            $("#hook").delay(500).slideUp(200, function () {
                window.location.reload()
            })
        }
        if ($.browser.webkit) {
            if (st == 0) {
                $('body').css('overflow', 'hidden')
            }
        }
    })
});