6 lines
227 B
JavaScript
6 lines
227 B
JavaScript
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function(doc){
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var words = doc.text.split(/\W/).filter(function(w) {return w.length > 0}).map(function(w){return w.toLowerCase()});
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for (var i = 0, l = words.length; i < l; i++) {
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emit(words.slice(i,4),doc.title);
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}
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}
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