滚动div固定，直到页脚 [英] scrolling div fixed until footer

问题描述

我希望有人能帮助我，我一直在查找很多教程，以查看是否可以轻松完成，因为我是jQuery的新手，我正尝试在页面上向下滚动固定的div但是div到达底部时会移至页脚. 我想在jQuery中添加类似滚动控件的内容，然后在页面下方达到一定像素数时在jQuery中使用.css更改位置.我不确定该如何正确处理.我在jsfiddle中做了一个非常简化的版本，以说明我正在尝试做的事情，任何帮助将不胜感激. 谢谢

Hi I'm hoping somebody can help me out i've been looking up a lot of tutorials to see if this could be done easily I'm new to jQuery, I'm trying to scroll a fixed div down the page but the div is moving into the footer when it reaches the bottom. Im thinking in the jquery to add something like a scroll control and then when it reached a certain amount of pixels down the page to change the positioning with .css in the jquery. I'm not to sure how to go about it properly though. I've made a VERY simplified version in jsfiddle to kind of illustrate what i'm trying to do, any help would be appreciated. Thanks

[http://jsfiddle.net/wVhCR/]

[http://jsfiddle.net/wVhCR/]

推荐答案

以下是应该提供帮助的jQuery.只需创建一个CSS类，即可根据需要更改框.

Here's the jQuery which should help. Just make a css class that changes the box how you want it.

$(document).on('scroll', function(){
    var scroller = $('#scroller');
    var footer = $('#footer');
    var scroll_bot = scroller.offset().top + scroller.height();
    var footer_top = footer.offset().top;

    alert(scroll_bot);
    if(scroll_bot > footer_top){
        scroller.addClass('classThatMakesBoxActRight');
    }else{
        scroller.removeClass('classThatMakesBoxActRight');
    }
});

这篇关于滚动div固定，直到页脚的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！