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August 29, 2015 14:09
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Bookmarklet to create a word cloud base on word frequency
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| (function(){ | |
| var words={}, | |
| html = "", | |
| writer = function(inx,ele){ | |
| html += (inx > 0 ? "<h"+inx+">"+ele+"</h"+inx+">" : "<span>"+ele+"</span>"); | |
| }; | |
| document.body.textContent.split(" ") | |
| .filter(function(ele){ return !/\d/.test(ele) && ele.length > 3 }) | |
| .map(function(ele){ | |
| return ele.toLowerCase().replace(/\s*/, "").replace(/[\~\`\!\@\#\$\%\^\&\*\(\)\_\+\-\=\{\}\[\]\:\"\;\'\<\>\,\.\?\/]+/, ""); | |
| }) | |
| .forEach(function(ele){ if (words[ele]){ words[ele]++; } else { words[ele]=1; } }); | |
| Object.keys(words) | |
| .sort() | |
| .forEach(function(ele){ | |
| if (words[ele]>20) { writer(1, ele); } | |
| else if (words[ele]>12) { writer(2, ele); } | |
| else if (words[ele]>7) { writer(3, ele); } | |
| else if(words[ele]>4) { writer(4, ele); } else { writer(0, ele); } | |
| }); | |
| html = "<html><style> body {font-family:sans-serif} h1,h2,h3,h4,h5,h6 { display:inline; margin:1rem 1rem 0rem 0rem; } span {font-size:0.8rem; margin:1rem 1rem 0rem 0rem;} div {margin:1.5rem; -webkit-column-count: 2; -moz-column-count: 2; column-count:2; -webkit-column-gap: 3rem; -moz-column-gap: 3rem; column-gap: 3rem;}</style><body><div>" + html + "</div></body></html>"; | |
| document.write(html); | |
| })() |
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