Selection modification using functions.
From D3 in Depth book by Peter Cook.
Last active
August 2, 2017 10:22
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Selection modification using functions
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| license: gpl-3.0 | |
| height: 220 | |
| border: no |
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.
Learn more about bidirectional Unicode characters
| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>Using the i argument</title> | |
| </head> | |
| <style> | |
| rect { | |
| fill: #ddd; | |
| } | |
| </style> | |
| <body> | |
| <svg width="760" height="190"> | |
| <g transform="translate(70, 20)"> | |
| <rect width="30" height="30" y="0" /> | |
| <rect width="30" height="30" y="40" /> | |
| <rect width="30" height="30" y="80" /> | |
| <rect width="30" height="30" y="120" /> | |
| </g> | |
| </svg> | |
| <div> | |
| <button onClick="update();">Click to update rect elements using function(d, i)</button> | |
| </div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| function update() { | |
| d3.selectAll('rect') | |
| .attr('x', function(d, i) { | |
| return i * 40; | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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