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xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <!-- Data array called "gdp" is in data.js (GDP in $millions) --> <script src="data.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } </style></head><body> <script> // Using blocks to continue to learn about d3v4 // Following d3 documentation // https://github.com/d3/d3/blob/master/API.md#arrays-d3-array var svg = d3.select("body").append("svg") .attr("width", 960) .attr("height", 500) // d3.scan var index = d3.scan(gdp, function(a, b) { return a.gdp - b.gdp; }); svg.append("text") .text("d3.scan (index): " + index + ", gdp[index].state: " + gdp[index].state) .attr("y", 40) .attr("x", 10) .attr("font-size", 16) .attr("font-family", "monospace") // d3.bisect - Not sure I understand how this is used // d3.ascending - natural sort var asc = gdp.sort(function(a,b) { return d3.ascending(a.state, b.state); }); svg.append("text") .text("Ascending States") .attr("y", 60) .attr("x", 10) .attr("font-size", 16) .attr("font-family", "monospace"); for (var i=0; i < 10; i++) { svg.append("text") .text("Item " + i + " = " + gdp[i].state) .attr("y", 80 + (i * 20)) .attr("x", 10) .attr("font-size", 16) .attr("font-family", "monospace"); } // d3.descending - natural sort var asc = gdp.sort(function(a,b) { return d3.descending(a.state, b.state); }); svg.append("text") .text("Descending States") .attr("y", 60) .attr("x", 300) .attr("font-size", 16) .attr("font-family", "monospace"); for (var i=0; i < 10; i++) { svg.append("text") .text("Item " + i + " = " + gdp[i].state) .attr("y", 80 + (i * 20)) .attr("x", 300) .attr("font-size", 16) .attr("font-family", "monospace"); } </script></body> https://d3js.org/d3.v4.min.js