After the number of words such as table exceeds a certain length, use 【...] Replace _ a useful css_ax

<Li style = "overflow: hidden; white-space: nowrap; text-overflow: ellipsis; width: 300px">
111111111111111111111111111111111111111111111 </LI>

Overflow: hidden; indicates that content beyond the object size is not displayed.
White-space: nowrap; indicates that the text does not wrap, unless <br>
Text-overflow: ellipsis indicates that the omitted mark (...) is displayed when the text in the object overflows (...)
Width: 300px indicates the set length.
Display result: 11111111111111111111111111111... (assuming the result length is px)