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| function order(words){ | |
| // return empty string for undefined | |
| if (words === undefined) { | |
| return ''; | |
| } | |
| let rval = []; | |
| let pieces = words.split(' '); | |
| for (let i=0; i<10; i++) { | |
| if (pieces.hasOwnProperty(i)) { | |
| let piece = pieces[i].match(/\d/); | |
| if (piece) { | |
| rval[piece[0]] = piece.input; | |
| } | |
| } | |
| } | |
| return rval.join(' ').trim(); | |
| } |
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