D3_Tutorial_Udemy/scaling_ex.html at master · avimhael/D3_Tutorial_Udemy · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta name="description" content="JSON"/>
    <meta charset="utf-8">
    <title>API</title>
    <script src="https://d3js.org/d3.v6.min.js" charset="utf-8"></script>
</head>
<body>

    <script>

    d3.json("https://api.github.com/repos/avimhael/D3_Tutorial_Udemy/contents/MonthlySales3.json").then(function(data) {

        var dataset = data
        var h=100;
        var w=400;
        var decodedData = JSON.parse(window.atob(data.content))


        function showHeader(dataset) {
            d3.select("body").append("h1").text(dataset.category + " Sales (2013)")
        }

        function buildLine(dataset) {

            var xScale = d3.scaleLinear().domain([
                d3.min(dataset.monthlySales, function(d){return d.month}),
                d3.max(dataset.monthlySales, function(d){return d.month}),
            ])
            .range([0,w])

            var yScale = d3.scaleLinear().domain([
                0, d3.max(dataset.monthlySales, function(d){return d.sales}),
            ])
            .range([h,0])

            var line = d3.line()

            .x(function (d) {return xScale(d.month)})
            .y(function (d) {return yScale(d.sales)})

            var svg = d3.select("body").append("svg").attr("width",w).attr("height",h)

            svg.append("path").datum(dataset.monthlySales).attr("class","line").attr("d",line).attr("fill","none").attr("stroke","purple").attr("stroke-width","2")
        }

        decodedData.contents.forEach(function(dataset) {
            showHeader(dataset)
            buildLine(dataset)
        })

        })

    </script>

</body>
</html>