Baseline Widely available
Used by the dataset HTML attribute to represent data for custom attributes added to elements.
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); ÐеÑÐ¾Ð´Ñ hasDataAttr()
boolean hasDataAttr( in DOMString prop );ÐÑгÑменÑÑ
prop
The property for which to check for the existence of a value.
true if the property exists; otherwise false.
void removeDataAttr( in DOMString prop );Parameters
prop
The property to remove from the data set.
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.
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4