暂时show()使用元素来检索孩子的身高似乎正常.
HTML:
<div id="target" style="display:none;">
<!-- Add a background color to see if it's noticeable -->
<div style="height:123px; background:#000;"></div>
</div>
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JS:
// Show the hidden parent of the element we want the height of
$("#target").show(0, function(){
// Find and grab the height of the element we want
the_height = $(this).find("div").height();
// Hide parent and display child's height after it
}).hide().after(the_height);
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