| 使用率 | 统计数 | |
| #id | 51.290% | 1431 |
| .class | 13.082% | 365 |
| tag | 6.416% | 179 |
| tag.class | 3.978% | 111 |
| #id tag | 2.151% | 60 |
| tag#id | 1.935% | 54 |
| #id:visible | 1.577% | 44 |
| #id .class | 1.434% | 40 |
| .class .class | 1.183% | 33 |
| * | 0.968% | 27 |
| #id tag.class | 0.932% | 26 |
| #id:hidden | 0.789% | 22 |
| tag[name=value] | 0.645% | 18 |
| .class tag | 0.573% | 16 |
| [name=value] | 0.538% | 15 |
| tag tag | 0.502% | 14 |
| #id #id | 0.430% | 12 |
| #id tag tag | 0.358% | 10 |
本文转载自：jQuery 1.3 最佳实践 (1) : 选择器