xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v3.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } .line { fill: pink; stroke: blue; stroke-width: 1.5px; } </style></head><body> <script> // Feel free to change or delete any of the code you see in this editor! var svg = d3.select("body").append("svg") .attr("width", 960) .attr("height", 500) var width = 800; var height = 400; // https://bl.ocks.org/zanarmstrong/raw/05c1e95bf7aa16c4768e/ var randomColor = (function(){ var golden_ratio_conjugate = 0.618033988749895; var h = Math.random(); var hslToRgb = function (h, s, l){ var r, g, b; if(s == 0){ r = g = b = l; // achromatic }else{ function hue2rgb(p, q, t){ if(t < 0) t += 1; if(t > 1) t -= 1; if(t < 1/6) return p + (q - p) * 6 * t; if(t < 1/2) return q; if(t < 2/3) return p + (q - p) * (2/3 - t) * 6; return p; } var q = l < 0.5 ? l * (1 + s) : l + s - l * s; var p = 2 * l - q; r = hue2rgb(p, q, h + 1/3); g = hue2rgb(p, q, h); b = hue2rgb(p, q, h - 1/3); } return '#'+Math.round(r * 255).toString(16)+Math.round(g * 255).toString(16)+Math.round(b * 255).toString(16); }; return function(){ h += golden_ratio_conjugate; h %= 1; return hslToRgb(h, 0.5, 0.60); };})(); var parseDate = d3.time.format("%Y-%m"); var displayDate = d3.time.format("%b %y"); var displayValue = d3.format(",.0f"); // Ordinal scale var x = d3.scale.ordinal() .rangeRoundBands([0, width], .5); var y = d3.scale.linear() .range([height, height - 200]); var line = d3.svg.line() .x(function(d) { return x(d.name); }) .y(function(d) { return y(d.value); }); var g = svg.append("g") .attr("transform", "translate(50, 0)") d3.json("dataset.json", function(data) { // Pre-processing data.forEach(function(d) { d.value;// = +d.value; d["date"] = parseDate.parse(d["date"]); }); x.domain(data.map(function(d) { return d.name; })); y.domain([0, d3.max(data, function(d) { return d.value; })]); svg.selectAll("text").data(data).enter() .append("text") .text(function(d, i) { return displayDate(d.date); }) .attr("y", 420) .attr("x", function(d) { return x(d.name); }) .style("font-size", 15) .style("font-family", "Comic Sans MS"); g.selectAll(".value").data(data).enter() .append("text") .text(function(d, i) { return displayValue(d.value); }) .attr("class", "value") .attr("y", function(d) { return y(d.value)-20; }) .attr("x", function(d) { return x(d.name);}) .style("font-size", 10) .style("opacity",0) .style("font-family", "Comic Sans MS"); g.selectAll("path").data([data]).enter().append("path") .attr("class", "line") .attr("d", line); g.selectAll("line").data(data).enter().append("line") .attr('x1',function(d) { return x(d.name); }) .attr('y1',function(d) { return y(0); }) .attr('x2',function(d) { return x(d.name); }) .attr('y2',function(d) { return y(d.value); }) .style("stroke-width", 5) .style("stroke", randomColor) // .style("stroke-dasharray", ("2, 2")) .style("opacity",0); g.selectAll("circle").data(data).enter() .append("circle") .attr("cx",function(d) { return x(d.name); }) .attr("cy",function(d) { return y(d.value); }) .attr("r",8) .attr("opacity",0.15) .on("mouseover", function(d) { d3.select(this).transition().duration(500) .attr("opacity",1).attr("r",15).style("fill", randomColor); d3.selectAll(".value").filter(function(e) { return d === e; }) .style("opacity",1) .style("font-size", 30); d3.selectAll("line").filter(function(e) { return d === e; }) .style("opacity",1) }) .on("mouseout", function(d) { d3.select(this).transition().duration(1000).style("fill","black").attr("opacity",0.15).attr("r",8); d3.selectAll(".value").filter(function(e) { return d === e;}) .style("opacity",0) .transition().duration(100); d3.selectAll("line").filter(function(e) { return d === e; }) .style("opacity",0) .transition().duration(100); }); }); </script></body> https://d3js.org/d3.v3.min.js