Used by the dataset HTML attribute to represent data for custom attributes added to elements.
方法预览
DOMString getDataAttr(in DOMString prop); |
boolean hasDataAttr(in DOMString prop); |
void removeDataAttr(in DOMString prop); |
void removeProp(in nsIAtom attr); |
void setDataAttr(in DOMString prop, in DOMString value); |
方法
hasDataAttr()
boolean hasDataAttr( in DOMString prop );
参数
prop- 属性名
返回值
如果该属性存在则返回 true，否则返回 false
removeDataAttr()
void removeDataAttr( in DOMString prop );
参数
prop- 属性名
removeProp()
移除属性，当移除的是 data-* 属性时更新整个数据集
void removeProp( in nsIAtom attr );
参数
attr- 属性名
浏览器兼容性
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 |
|---|---|---|---|---|---|
| Basic support | ? | 6.0 (6.0) | ? | ? | ? |
| Feature | Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|
| Basic support | ? | ? | ? | ? | ? |