Created
August 2, 2013 13:38
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Function for generating binary combinations
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| //Returns an array of boolean values representing | |
| //every possible combination of n binary digits | |
| function binaryCombos(n){ | |
| var result = []; | |
| for(y=0; y<Math.pow(2,n); y++){ | |
| var combo = []; | |
| for(x=0; x<n; x++){ | |
| //shift bit and and it with 1 | |
| if((y >> x) & 1) | |
| combo.push(true); | |
| else | |
| combo.push(false); | |
| } | |
| result.push(combo); | |
| } | |
| return result; | |
| } | |
| //Usage | |
| combos = binaryCombos(3); | |
| for(x=0; x<combos.length; x++){ | |
| console.log(combos[x].join(',')); | |
| } | |
| //OUTPUT | |
| //false,false,false | |
| //true,false,false | |
| //false,true,false | |
| //true,true,false | |
| //false,false,true | |
| //true,false,true | |
| //false,true,true | |
| //true,true,true |
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