Question:
Find the continues pair largest sum in array

Largest Sum: 

const arr = [2,3,5,9,1,7,2];
let sum = 0, max=0;

for(let i=0; i < arr.length-1;i++) {
    sum = arr[i]+arr[i+1]
    if(max < sum){
        max=sum;
    }
}

document.getElementById("answer").innerHTML = max;
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