コードの説明あとで書く 押して！ var dataset = [ 5, 10, 13, 19, 21, 25, 22, 18, 15, 13, 11, 12, 15, 20, 18, 17, 16, 18, 23, 25 ] var w = 600 var h = 250 var xScale = d3.scale.ordinal() .domain(d3.range(dataset.length)) .rangeRoundBands([0, …