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<head>
<meta charset="utf-8">
<script src="https://d3js.org/d3.v4.min.js"></script>
<style>
body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
</style>
</head>
<body>
<script>
var max = d3.max(data)
var height = 10;
var yScale = d3.scaleLinear()
.domain(extend)
.range(height, 0)
var yAxis = d3.axisLeft()
.scale(yScale); // pass in a scale
d3.select('svg')
// create a group element we can translate
// so that the axis will be visible in SVG
.append('g')
.attr('transform', 'translate(40, 20)')
// selection.call(yAxis) is the same as yAxis(selection)
// and an axis will be created within the selection
.call(yAxis);
</script>
</body>
https://d3js.org/d3.v4.min.js