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Used by the dataset HTML attribute to represent data for custom attributes added to elements.
Method overview
DOMString getDataAttr(in DOMString prop); Native code only! |
boolean hasDataAttr(in DOMString prop); Violates the XPCOM interface guidelines |
void removeDataAttr(in DOMString prop); Violates the XPCOM interface guidelines |
void removeProp(in nsIAtom attr); Violates the XPCOM interface guidelines |
void setDataAttr(in DOMString prop, in DOMString value); Native code only! |
Methods
Native code only!
getDataAttr
DOMString getDataAttr( in DOMString prop );
Parameters
prop- The property for which to retrieve the value.
Return value
The value for the specified property name.
Violates the XPCOM interface guidelines
hasDataAttr()
boolean hasDataAttr( in DOMString prop );
Parameters
prop- The property for which to check for the existence of a value.
Return value
true if the property exists; otherwise false.
Violates the XPCOM interface guidelines
removeDataAttr()
void removeDataAttr( in DOMString prop );
Parameters
prop- The property to remove from the data set.
Violates the XPCOM interface guidelines
removeProp()
Removes the property from the dataset object. Used to update the dataset object when data-* attribute has been removed from the element.
void removeProp( in nsIAtom attr );
Parameters
attr- The property to remove from the dataset.
Native code only!
setDataAttr
Sets the value of the specified property.
void setDataAttr( in DOMString prop, in DOMString value );
Parameters
prop- The property whose value is to be set.
value- The property's new value.
Browser compatibility
| 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 | ? | ? | ? | ? | ? |