src/sap.m/src/sap/m/IconTabBarDragAndDropUtil.js
function () {
				var oIconTabHeaderItems = this.getItems(),
					iAriaPointSet = 1,
					oItemDom;

				oIconTabHeaderItems.forEach(function (oItem) {
					oItemDom = oItem.getDomRef();
					if (oItemDom && oItemDom.getAttribute("aria-posinset") !== null) {
						oItemDom.setAttribute("aria-posinset", iAriaPointSet++);
					}
				});
			}
function () {
				var oIconTabHeaderItems = this.getItems(),
					iAriaPointSet = 1,
					oItemDom;

				oIconTabHeaderItems.forEach(function (oItem) {
					oItemDom = oItem.getDomRef();
					if (oItemDom && oItemDom.getAttribute("aria-posinset") !== null) {
						oItemDom.setAttribute("aria-posinset", iAriaPointSet++);
					}
				});
			}
function ( ) { var oIconTabHeaderItems = this . getItems ( ) , iAriaPointSet = 1 , oItemDom ; oIconTabHeaderItems . forEach ( function ( oItem ) { oItemDom = oItem . getDomRef ( ) ; if ( oItemDom && oItemDom . getAttribute ( "aria-posinset" ) !== null ) { oItemDom . setAttribute ( "aria-posinset" , iAriaPointSet ++ ) ; } } ) ; }
Recalculates and sets the correct aria-posinset attribute value.
@private
Recalculates and sets the correct aria - posinset attribute value .