JAVASCRIPT

how to sum array elements in javascript

// codewars solution
// leetcode solution
// and more

function sum(arr) {
  return arr.reduce( (x,y) => x+y, 0);
}

sum([1, 2, 3, 4]);
// 10
sum([2, 4, 1, 3, 5]);
// 15

// enjoy :)

sum of all numbers in an array javascript

const arrSum = arr => arr.reduce((a,b) => a + b, 0)

add all elements in array javascript

console.log(
  [1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
  [].reduce((a, b) => a + b, 0)
)

javascript sum of array

const sum = arr => arr.reduce((a, b) => a + b, 0);

sum of array elements in javascript

let arr = [2, 4, 1, 3, 5];
let result = 0;

for (let i = 0; i < arr.length; i++) {
   result += arr[i];
}

console.log(result); // 15

sum all elements in array javascript

arr.reduce((a, b) => a + b)

sum all the values in an array javascript

array.reduce((a, b) => a + b, 0)

addition of all elements of array in js

function addSum(array) { // call the function with your array parameter
   let solution = 0     
   for (let x = 0 ; x < array.length;x++) { // for loop
      solution = solution + array[x]
   }
   return solution
}

sum values in array javascript

const num = [1, 3, 1, 1] 
const reducer = (accumulator, currentValue) => accumulator + currentValue;
const sum = num.reduce(reducer);
console.log(sum)
// (1+3+1+1) = 6

how to get sum array in javascript

let sum1 = (arr) => arr.reduce( (x,y) => x+y);

console.log(sum1([2, 4, 9]));
console.log(sum1([15, 200, 18, 0, 18, 18]));
console.log(sum1([100, 4, 17, 29, 81]));

sum all values of an array

 function array(arr){
   var sum = 0;
   for (var i = 0; i< arr.length; i++){
    sum += arr[i];
   }
   console.log(sum);
 }
 array([5, 1, 3, 3])

how to find the sum of array using JavaScript

// If you do not want to use array.reduece you can itereate through the array and then get the solution.
const  getSum = (arr)=>{
  let sum = 0;
  for(key of arr){
    sum += key
  }
  return sum
}

how to add all values of array together js

function addArrayNums(arr) {
	let total = 0;
	for (let i in arr) {
      total += arr[i];
    }
  return total;
}

js array elements sum

[1, 2, 3, 4].reduce((a, b) => a + b, 0)

sum array elements in javascript

console.log(
  [1,2,3].reduce(function(acc, val) { return acc + val; })
)

console.log(
  [].reduce(function(acc, val) { return acc + val; }, 0)
)
 Run code snippetHide results

sum array elements in javascript

console.log(
  [1,2,3].reduce(function(acc, val) { return acc + val; })
)

console.log(
  [].reduce(function(acc, val) { return acc + val; }, 0)
)
 Run code snippetHide results

how sum all array element with for

// define a list
const list = [1,2,3,4,5];

// create a function return result of sum of elements
const result = () => {
  let sum = 0;
  for (let i = 0; i < list.length; i++) {
    sum += list[i];
  }
  return sum
}
console.log(result());

how to sum the array values in javascript

[1, 2, 3, 4].reduce((pre,curr)=>pre+curr,0)

sum array elements in javascript

console.log(
  [1,2,3].reduce(function(acc, val) { return acc + val; })
)

console.log(
  [].reduce(function(acc, val) { return acc + val; }, 0)
)
 Run code snippetHide results

adding all elements in an array javascript

values.reduce(function(a, b){return a+b;})

sum array elements in javascript

console.log(
  [1,2,3].reduce(function(acc, val) { return acc + val; })
)

console.log(
  [].reduce(function(acc, val) { return acc + val; }, 0)
)
 Run code snippetHide results

sum array elements in javascript

console.log(
  [1,2,3].reduce(function(acc, val) { return acc + val; })
)

console.log(
  [].reduce(function(acc, val) { return acc + val; }, 0)
)
 Run code snippetHide results