highlightItem(highlightId) {
        for(let id in this.state.itemMap) {
            let item = this.state.itemMap[id];
           
            item.setHighlight(id === highlightId);
        }
    }
/**
     * Highlights an item by id
     *
     * @param {String} hightlightId
     */
Highlights an item by id
@param {String} hightlightId
Highlights an item by id @param { String } hightlightId
highlightItem(highlightId) {
        for(let id in this.state.itemMap) {
            let item = this.state.itemMap[id];
            item.setHighlight(id === highlightId);
        }
    }
highlightItem ( highlightId ) { for ( let id in this . state . itemMap ) { let item = this . state . itemMap [ id ] ; item . setHighlight ( id === highlightId ) ; } }
Highlights an item by id
 @param {String} hightlightId
Highlights an item by id @param { String } hightlightId