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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
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