Example of modifying a selection.
From D3 in Depth book by Peter Cook.
Last active
September 25, 2020 14:30
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Modifying a selection
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| license: gpl-3.0 | |
| height: 180 | |
| 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>Selecting circles</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| } | |
| circle { | |
| fill: #ddd; | |
| } | |
| circle.selected { | |
| stroke: #555; | |
| stroke-width: 2px; | |
| } | |
| </style> | |
| <body> | |
| <div class="title"></div> | |
| <svg width="760" height="140"> | |
| <g transform="translate(70, 70)"> | |
| <circle r="40" /> | |
| <circle r="40" cx="120" /> | |
| <circle r="40" cx="240" /> | |
| <circle r="40" cx="360" /> | |
| <circle r="40" cx="480" /> | |
| </g> | |
| </svg> | |
| <form> | |
| <input class="robot-checkbox" type="checkbox"> A checkbox</input> | |
| </form> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| // Change colour of first circle | |
| d3.select('circle') | |
| .style('fill', 'orange') | |
| // Change radius of all circles | |
| d3.selectAll('circle') | |
| .attr('r', 20); | |
| // Add .selected class to 3rd circle | |
| d3.select('circle:nth-child(3)') | |
| .classed('selected', true); | |
| // Set checked property of checkbox | |
| d3.select('input.robot-checkbox') | |
| .property('checked', true); | |
| // Set text on .title element | |
| d3.select('.title') | |
| .text('D3 in Depth selection example') | |
| </script> | |
| </body> | |
| </html> |
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