{
const btns = d3.select(vizContainer).select("#controls");
btns.select("#btn-one-on").on("click", () => {layerToggleOnOff("urban"); buttonToggleOnOff("btn-one-on")});
btns.select("#btn-two-on").on("click", () => {layerToggleOnOff("sub"); buttonToggleOnOff("btn-two-on")});
btns.select("#btn-four-on").on("click", () => {layerToggleOnOff("st"); buttonToggleOnOff("btn-four-on")});
btns.select("#btn-three-on").on("click", () => {layerToggleOnOff("rural"); buttonToggleOnOff("btn-three-on")});
btns.select("#btn-five-on").on("click", () => {layerToggleOnOff("single"); buttonToggleOnOff("btn-five-on")});
btns.select("#btn-six-on").on("click", () => {layerToggleOnOff("married"); buttonToggleOnOff("btn-six-on")});
btns.select("#btn-seven-on").on("click", () => {layerToggleOnOff("divorced"); buttonToggleOnOff("btn-seven-on")});
btns.select("#btn-eight-on").on("click", () => {layerToggleOnOff("widowed"); buttonToggleOnOff("btn-eight-on")});
btns.select("#btn-nine-on").on("click", () => {layerToggleOnOff("twe"); buttonToggleOnOff("btn-nine-on")});
btns.select("#btn-ten-on").on("click", () => {layerToggleOnOff("thir"); buttonToggleOnOff("btn-ten-on")});
btns.select("#btn-eleven-on").on("click", () => {layerToggleOnOff("four"); buttonToggleOnOff("btn-eleven-on")});
btns.select("#btn-twelve-on").on("click", () => {layerToggleOnOff("fift"); buttonToggleOnOff("btn-twelve-on")});
btns.select("#btn-thirteen-on").on("click", () => {layerToggleOnOff("six"); buttonToggleOnOff("btn-thirteen-on")});
btns.select("#btn-fourteen-on").on("click", () => {layerToggleOnOff("male"); buttonToggleOnOff("btn-fourteen-on")});
btns.select("#btn-fifteen-on").on("click", () => {layerToggleOnOff("female"); buttonToggleOnOff("btn-fifteen-on")});
btns.select("#btn-sixteen-on").on("click", () => {layerToggleOnOff("nb"); buttonToggleOnOff("btn-sixteen-on")});
btns.select("#btn-seventeen-on").on("click", () => {layerToggleOnOff("Info"); buttonToggleOnOff("btn-seventeen-on")});
btns.select("#btn-a-on").on("click", () => {layerToggleOnOff("infogend"); buttonToggleOnOff("btn-a-on")});
btns.select("#btn-b-on").on("click", () => {layerToggleOnOff("infohs"); buttonToggleOnOff("btn-b-on")});
btns.select("#btn-c-on").on("click", () => {layerToggleOnOff("infodivst"); buttonToggleOnOff("btn-c-on")});
btns.select("#btn-d-on").on("click", () => {layerToggleOnOff("infonb"); buttonToggleOnOff("btn-d-on")});
btns.select("#btn-e-on").on("click", () => {layerToggleOnOff("infoedu"); buttonToggleOnOff("btn-e-on")});
btns.select("#btn-f-on").on("click", () => {layerToggleOnOff("infogen"); buttonToggleOnOff("btn-f-on")});
btns.select("#btn-allOn").on("click", allOn);
btns.select("#btn-allOff").on("click", allOff);
}