d3js V4 实现简单的动态效果

实现简单的动态效果 d3js V4版本

馒头华华v3版本地址：http://d3.decembercafe.org/pages/lessons/9.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>实现简单的动态效果</title>
</head>
<body>
    <script src="https://d3js.org/d3.v4.min.js"></script>
    <script>
        var width = 700;
        var height = 700;
        var svg = d3.select(\'body\').append(\'svg\').attr(\'width\',width).attr(\'height\',height);

        var circle = svg.append(\'circle\')
        .attr(\'cx\',100)
        .attr(\'cy\',100)
        .attr(\'r\',50)
        .attr(\'fill\',\'pink\');
        
        circle.transition()
        .duration(2000)
        .attr(\'cx\',350)
        .attr(\'fill\',\'red\')
        .attr(\'r\',25)
        
        d3.easeLinear(circle);//V4版本
    </script>
</body>
</html>