d3-canvas-brush-zoom-03

d3-canvas-brush-zoom-03.js

const svgChartParent = d3.select('svg');
const zoomButton = toolsList.select('#zoom').on('click', () => {
   toolsList.selectAll('.active').classed('active', false);
   zoomButton.classed('active', true);
   canvasChart.style('z-index', 1);
   svgChartParent.style('z-index', 0);
});

const brushButton = toolsList.select('#brush').on('click', () => {
   toolsList.selectAll('.active').classed('active', false);
   brushButton.classed('active', true);
   canvasChart.style('z-index', 0);
   svgChartParent.style('z-index', 1);
});