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Enter and Append
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| license: mit |
This file contains 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; } | |
| svg { | |
| width: 100%; | |
| height: 100%; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <svg></svg> | |
| <script> | |
| const width = 100; | |
| const height = 200; | |
| const data = [50, 75, 100, 125, 200]; | |
| const svg = d3.select('svg'); | |
| // this is grabbing an empty selection | |
| const enter = svg.selectAll('rect') | |
| .data(data) | |
| .enter().append('rect') | |
| .attr('x', (d, i) => i * width) | |
| .attr('y', d => height - d) | |
| .attr('width', width) | |
| .attr('height', d => d) | |
| .attr('fill', d => d === 100 ? 'blue' : 'red') | |
| .attr('stroke', '#85ff60'); | |
| console.log(enter); | |
| </script> | |
| </body> |
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