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this.triggeringElement.getAttribute("data-id");
 
this.triggeringElement.dataset.id
// data-id="{value}"
this.triggeringElement.dataset.id


// data-active="YES"
this.triggeringElement.dataset.active


// data-selected="YES"
this.triggeringElement.dataset.selected


// data-lineID="123"
this.triggeringElement.dataset.lineID


// data-rownum="2"
this.triggeringElement.dataset.rownum