Function getWidth

src/modules/table.js:698–714

(parent)

          //获取容器宽度
          //如果父元素宽度为0（一般为隐藏元素），则继续查找上层元素，直到找到真实宽度为止
          var getWidth = function (parent) {
            var width;
            var isNone;
            parent = parent || options.elem.parent();

            width = that.getContentWidth(parent);

            try {
              isNone = parent.css('display') === 'none';
            } catch (e) {
              //
            }
            var parentElem = parent.parent();
            if (parent[0] && parentElem && parentElem[0] && (!width || isNone))
              return getWidth(parentElem);
            return width;
          };
          return getWidth();
        })();