onShowNameTipsMouseenter: function(e) { ???????var target = e.target; ???????var containerLength = $(target).width(); ???????var textLength = target.scrollWidth; ???????var text = $(target).html(); ???????//console.log("contentLength:" + containerLength); ???????//console.log("textLength", textLength); ???????if (textLength > containerLength) { ???????????$(target).attr( "title", text); ???????} else { ???????????$(target).removeAttr( "title"); ???????} ???}var containerLength = $(target).width(); 当前容器的宽度
var textLength = target.scrollWidth; 当前文字（包括省略部分）的宽度
js判断文本是否溢出容器
原文地址：https://www.cnblogs.com/gopark/p/9512290.html