Selection sorting.
From D3 in Depth book by Peter Cook.
Last active
February 8, 2019 16:32
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Selection sorting
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| license: gpl-3.0 | |
| height: 140 | |
| 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>DOM Manipulation</title> | |
| </head> | |
| <style> | |
| body { | |
| font-family: "Helvetica Neue", Helvetica, sans-serif; | |
| font-size: 14px; | |
| } | |
| .person { | |
| height: 20px; | |
| position: relative; | |
| } | |
| .person .label { | |
| width: 90px; | |
| text-align: right; | |
| } | |
| .person .bar { | |
| height: 19px; | |
| background-color: steelblue; | |
| position: absolute; | |
| left: 100px; | |
| } | |
| .person div { | |
| display: inline-block; | |
| } | |
| .menu { | |
| margin-top: 20px; | |
| } | |
| </style> | |
| <body> | |
| <div id="wrapper"> | |
| </div> | |
| <div class="menu"> | |
| <button onClick="sort();">Sort</button> | |
| </div> | |
| <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/4.2.2/d3.min.js"></script> | |
| <script> | |
| myData = [ | |
| { | |
| "name": "Andy", | |
| "score": 37 | |
| }, | |
| { | |
| "name": "Beth", | |
| "score": 39 | |
| }, | |
| { | |
| "name": "Craig", | |
| "score": 31 | |
| }, | |
| { | |
| "name": "Diane", | |
| "score": 35 | |
| }, | |
| { | |
| "name": "Evelyn", | |
| "score": 38 | |
| } | |
| ]; | |
| var barWidth = 400; | |
| var barScale = d3.scaleLinear().domain([0, 100]).range([0, barWidth]); | |
| var u = d3.select('#wrapper') | |
| .selectAll('.person') | |
| .data(myData); | |
| var entering = u.enter() | |
| .append('div') | |
| .classed('person', true); | |
| entering.append('div') | |
| .classed('label', true) | |
| .text(function(d) { | |
| return d.name; | |
| }); | |
| entering.append('div') | |
| .classed('bar', true) | |
| .style('width', function(d) { | |
| return barScale(d.score) + 'px'; | |
| }); | |
| function sort() { | |
| d3.selectAll('.person') | |
| .sort(function(a, b) { | |
| return b.score - a.score; | |
| }); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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