DOMStringMap
Baseline
Widely available
This feature is well established and works across many devices and browser versions. Itâs been available across browsers since иÑÐ»Ñ 2015 г..
Used by the dataset HTML attribute to represent data for custom attributes added to elements.
ÐоÑÑÑпнÑе меÑодÑ
DOMString getDataAttr(in DOMString prop); |
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boolean hasDataAttr(in DOMString prop); |
void removeDataAttr(in DOMString prop); |
void removeProp(in nsIAtom attr); |
void setDataAttr(in DOMString prop, in DOMString value); |
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hasDataAttr()
boolean hasDataAttr( in DOMString prop );
ÐÑгÑменÑÑ
prop-
The property for which to check for the existence of a value.
ÐозвÑаÑаемое знаÑение
true if the property exists; otherwise false.
removeDataAttr()
void removeDataAttr( in DOMString prop );
Parameters
prop-
The property to remove from the data set.
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.