d3.select(".section-1").selectAll("p")
.data(dataset)
.enter()
.append("p")
.text(function(d){
if(d <= 10) return d + "点だよ!草"
else return d + "点だよ!";
})
.style("color", function(d) {
if (d > 15) return "red";
else return "black";
})
.style("background-color", function(d){
if(d >= 10) return "yellow";
else return "none";
});