我目前正在學習D3js,我正在試驗一些東西。所以我正在製作一些條形圖。一切正常,但條形圖沒有出現。d3js:條形圖不可見,沒有錯誤顯示
<!DOCTYPE HTML>
<html>
<head>
<title> D3 Tutorial</title>
<meta charset="utf-8"/>
<script src="d3.min.js"></script>
<script src="d3.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
</head>
<body>
<script>
var dataArray = [20,40,50,60];
var width = 500;
var height = 500;
var widthScale = d3.scale.linear()
.domain([0,60])
.range([0,width]);
var colorScale = d3.scale.linear()
.domain([0,60])
.range(["red","blue"]);
var canvas = d3.select("body")
.append("svg")
.attr("width",width)
.attr("height",height);
var bars = canvas.selectAll("rect")
.data(dataArray)
.enter()
.append("rect")
.attr("width", widthScale)
.attr("heigth", 50)
.attr("fill", colorScale)
.attr("y", function(d, i){ return i*100; });
</script>
</body>
</html>
謝謝!
似乎你缺少矩形的x元素。在條形圖。這件事;函數(d,i){return i * 100; })應該是高度。 – Hafiz