Update existing elements.
From D3 in Depth book by Peter Cook.
Last active
October 14, 2020 20:43
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Update existing elements
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| license: gpl-3.0 | |
| height: 130 | |
| 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>Update existing elements</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| color: #333; | |
| } | |
| #content div { | |
| display: inline-block; | |
| margin: 10px; | |
| background-color: orange; | |
| color: white; | |
| padding: 30px; | |
| width: 10px; | |
| height: 10px; | |
| text-align: center; | |
| } | |
| </style> | |
| <body> | |
| <div id="content"> | |
| <div></div> | |
| <div></div> | |
| <div></div> | |
| </div> | |
| <div id="menu"> | |
| <button onClick="doUpdate();">Update existing elements</button> | |
| </div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| var myData = ['A', 'B', 'C', 'D', 'E']; | |
| function doUpdate() { | |
| var u = d3.select('#content') | |
| .selectAll('div') | |
| .data(myData); | |
| u.enter() | |
| .append('div'); | |
| u.text(function(d) { | |
| return d; | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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