Goals: Add links that are reasonable and good explanations of how stuff works. No hype and no vendor content if possible. Practical first-hand accounts of models in prod eagerly sought.

const checkSudoku = board => { | |
const isSudokuArrayValid = (array) => { | |
const row = array.slice(0).sort().join(''), | |
passingRow = [1,2,3,4,5,6,7,8,9].join(''); | |
return (row === passingRow); | |
}; | |
const testRows = (board) => board.every(row => isSudokuArrayValid(row)); |