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fresh block
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| license: mit |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| <!DOCTYPE html> | |
| <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; } | |
| circle { fill: blue; } | |
| </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); | |
| const g = svg.append('g'); | |
| const points = []; | |
| function update(data) { | |
| const shape = g.selectAll('circle') | |
| .data(data); | |
| shape.exit().remove(); | |
| shape.enter().append('circle') | |
| .attr('r', 3) | |
| .merge(shape) | |
| .attr('cx', function(d) { return d[0]; }) | |
| .attr('cy', function(d) { return d[1]; }); | |
| } | |
| update(points) | |
| const timer = d3.timer(function(elapsed) { | |
| if (elapsed > 1000) timer.stop(); | |
| points.push([elapsed, Math.random() * 100 + 100]); | |
| update(points) | |
| }); | |
| </script> | |
| </body> |
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