Sum of odd and even number in an array

//using javascript...

let arr = [2,3,4,5,6,7,8,9,10,11];
let even=0;
let odd=0;
for(let i = 0;i< arr.length;i++){
if(arr[i]%2==0){

even+=arr[i];

}
else{

odd+=arr[i];
}
}
console.log('sum of even num:', even);
console.log('sum of odd num:', odd);