d3 scale issue

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Er Arijit

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Jul 21, 2016, 8:39:50 AM7/21/16

to d3-js

I tried to plot some data using d3 but no output is showing

my code

<html>
<head>
<title>D3 example</title>
<script src="https://d3js.org/d3.v4.min.js"></script>
</head>


<body>
<script>


var data =[1,2,3,4,5];




var widthscale = d3.scale.linear()
 .domain([1, 5])
 .range([0, 200]);




var svg = d3.select("body").append("svg")
 .attr("width", 250)
 .attr("height", 250);




 
svg.selectAll("rect")
    .data(data)
 .enter().append("rect")
 .attr("x", function(d){return d*100;})
 .attr("y",50)
 .attr("width", 20)
 .attr("height", 20);


</script>
</body>
</html>

I am getting erros due to

var widthscale = d3.scale.linear()
 .domain([1, 5])
 .range([0, 200]);