| Conditions | 3 | 
| Paths | 3 | 
| Total Lines | 22 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 1 | ||
| Bugs | 1 | Features | 0 | 
| 1 | /**  | 
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| 14 |     onKeyup: function(e) { | 
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| 15 | var query = this.$input.val().toLowerCase(),  | 
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| 16 | $matches;  | 
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| 17 | |||
| 18 | // The user's search query is longer than 1 character  | 
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| 19 |         if(query.length > 1) { | 
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| 20 | |||
| 21 | $matches = this.find(query);  | 
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| 22 | |||
| 23 | this.$fields.hide();  | 
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| 24 | $matches.show();  | 
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| 25 | |||
| 26 | // Textual user feedback  | 
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| 27 |             $('#settings-search-results').text($matches.length ? $matches.length+' settings found' : 'Nothing found'); | 
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| 28 | }  | 
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| 29 | |||
| 30 | // The user's search query is not longer than 1 character  | 
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| 31 |         else { | 
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| 32 | this.$fields.show();  | 
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| 33 |             $('#settings-search-results').text(''); | 
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| 34 | }  | 
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| 35 | },  | 
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| 36 |     find: function(query) { | 
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| 53 | };  | 
            
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.