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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> | |
| <rect /> | |
| <rect /> | |
| <rect /> | |
| <rect /> | |
| <rect /> | |
| </svg> | |
| <script> | |
| const data = [100, 250, 175, 200, 120]; | |
| const rectHeight = 300; | |
| const rectWidth = 50; | |
| // select all rect svg elements | |
| // bind a data el to each svg el | |
| // assign attrs to each svg el - x, y, width, height, fill, stroke | |
| d3.selectAll('rect') | |
| .data(data) | |
| .attr('x', (d, i) => { | |
| // every bar is positioned one rectWidth from another on the x-axis | |
| return i * rectWidth; | |
| }) | |
| .attr('y', (d, i) => { | |
| // every bar is positioned from the top of the container by rectHeight | |
| return rectHeight - d; | |
| }) | |
| .attr('width', (d, i) => { | |
| // every bar has a width of rectWidth | |
| return rectWidth; | |
| }) | |
| .attr('height', (d, i) => { | |
| // every bar has a height of rectHeight corresponding to its data val | |
| return d; | |
| }) | |
| .attr('fill', 'blue') | |
| .attr('stroke', 'white') | |
| </script> | |
| </body> |
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