JAVASCRIPT

sum of numbers array using for loop in javascript

let numbers = [10,20,30,40,50];
let     sum = 0;

for(let i =0; i< numbers.length; i++) {
    sum += numbers[i];
}
console.log(sum);

// Output : 150

sum of numbers in array with javascript

const sumNums = (arr)=>{
    let sum=0;
    for (let t = 0; t < arr.length; t++) {
        if(typeof arr[t] == "number" ){

           sum = sum + arr[t] ;
        }
        
    }
    return sum;
}

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js sum of int in array

const sum = [1, 2, 3].reduce((partialSum, a) => partialSum + a, 0);
console.log(sum); // 6