Demonstration of DOM manipulation using D3
For NICAR Beginning D3, 2017
forked from darlacameron's block: 1. DOM Manipulation
forked from anonymous's block: 1. DOM Manipulation
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March 2, 2017 21:04
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1. DOM Manipulation
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| license: gpl-3.0 | |
| height: 240 | |
| border: no |
This file contains hidden or 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> | |
| <meta charset="utf-8"> | |
| <head> | |
| <title>DOM Manipulation</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| } | |
| circle { | |
| fill: red; | |
| stroke: black; | |
| stroke-width: 2; | |
| } | |
| </style> | |
| <body> | |
| <svg width="500" height="300"> | |
| <circle cx="50" cy="50" r="50" id="first-circle" /> | |
| </svg> | |
| <script src="http://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script> | |
| <script> | |
| // ADD A CIRCLE WITH D3 | |
| d3.select("svg").append("circle") | |
| .attr("id", "second-circle") | |
| .attr("cx", 150) | |
| .attr("cy", 50) | |
| .attr("r", 20); | |
| // AND ANOTHER! | |
| d3.select("svg").append("circle") | |
| .attr("id", "third-circle") | |
| .attr("cx", 250) | |
| .attr("cy", 50) | |
| .attr("r", 30); | |
| // DEMO OF HOW D3 COMPARES TO JAVASCRIPT AND JQUERY | |
| console.debug('javascript ', document.getElementById("first-circle")) | |
| console.debug('d3 ', d3.select, $("#first-circle")[0]) | |
| console.debug('jquery ', $("#first-circle")[0]) | |
| </script> | |
| </body> | |
| </html> |
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