').style('visibility', 'hidden')
            selected.add(d.id)
            zoomID = d.id
            pushState()
            restartSimulation()
          })

        if (searchResult.length === 0) {
          ul.append('li')
            .classed('result-info', true)
            .classed('result-item', false)
            .text('no result')
        } else if (count > maxSearchResult) {
          ul.append('li')
            .classed('result-info', true)
            .classed('result-item', false)
            