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re-render elements
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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; } </style> </head> <body> <script> // Feel free to change or delete any of the code you see in this editor! let scale = d3.scaleLinear().domain([1,10]).range([1, 300]); var svg = d3.select("body").append("svg") .attr("width", 360) .attr("height", 500) let render = (data, color) => { let rects = svg.selectAll("rect").data(data); rects.exit().remove(); rects.enter().append("rect") .attr("y", 20) .attr("x", scale) .attr("width", 20) .attr("height", 20) .merge(rects) .attr("fill", color) } render([1, 2, 2.5], "red"); render([1, 2, 3, 4, 5], "blue"); </script> </body>
https://d3js.org/d3.v4.min.js