Tell us what’s happening:
Describe your issue in detail here.
I am wondering what the point of
let LongNum =arr[i][0];
what does the [0] do? please help me thank you.
**Your code so far**
function largestOfFour(arr) {
let result = []
for (let i=0; i<arr.length; i++){
let longNum = arr[i][0]
for(let j = 1; j<arr[i].length; j++){
if(arr[i][j] > longNum){
longNum=arr[i][j]
}
}
result[i] = longNum;
}
return result;
}
console.log(largestOfFour([[4, 5, 1, 3], [13, 27, 18, 26], [32, 35, 37, 39], [1000, 1001, 857, 1], [10,5,10,15]]));
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Challenge: Return Largest Numbers in Arrays
Link to the challenge: