Example 4

Using the toUpdate and whenEmpty (with new spans on the html for each banner).
BLACK Black Bear The American black bear (Ursus americanus) is a medium-sized bear native to North America. It is the continent's smallest and most widely distributed bear species.
BROWN Brown Bear The brown bear (Ursus arctos) is a large bear distributed across much of northern Eurasia and North America and is the largest terrestrial carnivoran.[2] There are several recognized subspecies within the brown bear species.
PANDA Panda The giant panda (Ailuropoda melanoleuca) also known as panda bear or simply panda, is a bear[3] native to south central China.
POLAR Polar Bear The polar bear (Ursus maritimus) is a carnivorous bear whose native range lies largely within the Arctic Circle, encompassing the Arctic Ocean, its surrounding seas and surrounding land masses.

适用浏览器:360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗. 不支持IE8以下浏览器。

来源:站长素材