我如何计算母体的高度,只有空位低于自己时,才会消亡。 我试图计算父母的身高,然后是问题高到边。
这是该守则的简化版本:。 例如。 虽然在真实版本中,问题/回答通过美国宇宙航空研究开发机构作了修改,但这是我每次计算高空的原因。
我如何计算母体的高度,只有空位低于自己时,才会消亡。 我试图计算父母的身高,然后是问题高到边。
这是该守则的简化版本:。 例如。 虽然在真实版本中,问题/回答通过美国宇宙航空研究开发机构作了修改,但这是我每次计算高空的原因。
如果我正确理解,那么一个简单的条件就能够解决你的问题。
if ((y + el.outerHeight()) < $container.height()) {
var el = $( .answer );
var elpos = el.offset().top;
var $container = $( .container );
$(window).scroll(function() {
var y = $(this).scrollTop();
var mTop = y - elpos;
if ((y + el.outerHeight()) < $container.height()) {
if (y < elpos) {
el.stop().animate({
margin-top : 0
}, 500);
}
else {
el.stop().animate({
margin-top : y - elpos
}, 500);
}
}
});
not 100% sure what you mean - you want to stop "answers" being pushed lower than "questions"? something like this? http://jsfiddle.net/X3cbB/1/
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