Cannot read properties of undefined (reading 'clientHeight')

报错"Cannot read properties of undefined (reading 'clientHeight')"通常是因为在代码中尝试获取一个未定义的属性。在你的问题中，引用提到了offsetHeight、clientHeight和scrollHeight之间的区别。其中，clientHeight是一个DOM元素的只读属性，用于获取元素的可见高度，包括内边距但不包括滚动条、边框和外边距。根据你提供的引用，可能的原因是在监听高度时没有正确获取到元素的clientHeight属性，导致报错。解决这个问题的方法是确保在获取clientHeight属性之前，元素已经被正确渲染并且可见。你可以尝试使用其他方式来计算元素的高度，比如使用offsetHeight或scrollHeight属性，这些属性能够提供更全面的高度信息。或者你可以检查一下元素是否正确绑定了相应的数据，以及是否正确获取到了元素的引用。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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