css部分 1 nth-of-type选择器 2 span:nth-of-type(1) 3 /*IE8兼容写法*/ 4 span:first-child /*选中第一个*/ 5 span:first-child+span+span /*选中第三个*/ IE8不支持 :last-child 选择器、 Read More
posted @ 2021-07-01 15:21 锦年与panda Views(85) Comments(0) Diggs(0) Edit