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CSS Generated Content 是CSS其中一个模块，定义了如何给一个元素添加内容
参考
Properties
Guides
None.
Specifications
| Specification | Status | Comment |
|---|---|---|
| CSS Generated Content Module Level 3 | Working Draft | |
| CSS Level 2 (Revision 1) | Recommendation | Initial definition |
Browser compatibility
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 1.0 | 1.0 (1.7 or earlier) | (Yes) | (Yes) | (Yes) |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | 1.0 | 1.0 (1) | (Yes) | (Yes) | (Yes) |