A simple mechanism for step by step illustrations.
See waitAndEval.
See also playButton.
Created
April 1, 2014 13:39
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waitAndEval II
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <title>waitAndEval II</title> | |
| <style> | |
| #messageText{ | |
| font-size: 60px; | |
| text-anchor: middle; | |
| } | |
| </style> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script> | |
| // ---------------------------------------------------------------------- | |
| var width = 960, | |
| height = 500; | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| var messageText = svg.append("text") | |
| .attr("id", "messageText") | |
| .attr("x", width/2) | |
| .attr("y", height/2); | |
| var waitAndEval = newWaitAndEval(); | |
| d3.range(100).forEach(function(i) { | |
| waitAndEval(function() { write(i); }, 1000); | |
| }) | |
| function write (text) { messageText.attr("class", text).text(text) } | |
| function newWaitAndEval () { | |
| var t = 0; | |
| return function (foo, dur) { | |
| t += dur | |
| setTimeout(foo, t) | |
| }; | |
| } | |
| </script> |
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