Created
March 4, 2016 11:15
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Disyxela JS
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// original: http://geon.github.io/programming/2016/03/03/dsxyliea | |
"use strict"; | |
$(function(){ | |
var getTextNodesIn = function(el) { | |
return $(el).find(":not(iframe)").addBack().contents().filter(function() { | |
return this.nodeType == 3; | |
}); | |
}; | |
// var textNodes = getTextNodesIn($("p, h1, h2, h3")); | |
var textNodes = getTextNodesIn($("*")); | |
function isLetter(char) { | |
return /^[\d]$/.test(char); | |
} | |
var wordsInTextNodes = []; | |
for (var i = 0; i < textNodes.length; i++) { | |
var node = textNodes[i]; | |
var words = [] | |
var re = /\w+/g; | |
var match; | |
while ((match = re.exec(node.nodeValue)) != null) { | |
var word = match[0]; | |
var position = match.index; | |
words.push({ | |
length: word.length, | |
position: position | |
}); | |
} | |
wordsInTextNodes[i] = words; | |
}; | |
function messUpWords () { | |
for (var i = 0; i < textNodes.length; i++) { | |
var node = textNodes[i]; | |
for (var j = 0; j < wordsInTextNodes[i].length; j++) { | |
// Only change a tenth of the words each round. | |
if (Math.random() > 1/10) { | |
continue; | |
} | |
var wordMeta = wordsInTextNodes[i][j]; | |
var word = node.nodeValue.slice(wordMeta.position, wordMeta.position + wordMeta.length); | |
var before = node.nodeValue.slice(0, wordMeta.position); | |
var after = node.nodeValue.slice(wordMeta.position + wordMeta.length); | |
node.nodeValue = before + messUpWord(word) + after; | |
}; | |
}; | |
} | |
function messUpWord (word) { | |
if (word.length < 3) { | |
return word; | |
} | |
return word[0] + messUpMessyPart(word.slice(1, -1)) + word[word.length - 1]; | |
} | |
function messUpMessyPart (messyPart) { | |
if (messyPart.length < 2) { | |
return messyPart; | |
} | |
var a, b; | |
while (!(a < b)) { | |
a = getRandomInt(0, messyPart.length - 1); | |
b = getRandomInt(0, messyPart.length - 1); | |
} | |
return messyPart.slice(0, a) + messyPart[b] + messyPart.slice(a+1, b) + messyPart[a] + messyPart.slice(b+1); | |
} | |
// From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/random | |
function getRandomInt(min, max) { | |
return Math.floor(Math.random() * (max - min + 1) + min); | |
} | |
setInterval(messUpWords, 50); | |
}); |
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