function largestOfFour(arr)
{
var maxArr=[];
for (var i = 0; i <=arr.length; i++)
{
var maxNum=arr[i][0];
for (var j = 1; j < arr[i].length; j++)
{
if (maxNum<=arr[i][j])
{
maxNum=arr[i][j];
}
}
maxArr[i]=maxNum;
}
return maxArr;
}
largestOfFour([ [4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1] ]);克林顿楔形sd
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