How to find a sum of an array in javascript?

function sum(a, b){

var sum = a + b;

returm sum;

}

sum(5,5);

let arr = [1,2,3,4,5,6]

let sum ;

for(let i = 0 ; i < arr.length ; i++){

sum = sum + arr[i];

}

console.log(sum);

1 Like

let arr = [1,2,3,4,5,6]

let sum=0

for(let i = 0 ; i < arr.length ; i++){

sum = sum + arr[i];

}

console.log(“sum:”+sum);

1 Like