var test = document.getElementById('test');
console.log(test.offsetHeight);
<div style="height: 30px;" id="test">
<p>ffffffffff</p>
<p>gggggggggg</p>
<p>aaaaaaaaaa</p>
<p>dddddddddd</p>
</div>
test
div的內容是
overflow
和超過
30px
:那麼如何才能得到準確的高度?
的可能的複製[獲取與普通的JavaScript的div高度(http://stackoverflow.com/questions/15615552/get-div-height-with-plain-javascript) – KarelG