javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);javascript sum array of objects
arr = [{x:1}, {x:3}]
arr.reduce((accumulator, current) => accumulator + current.x, 0);reduce javascript
/* this is our initial value i.e. the starting point*/
const initialValue = 0;
/* numbers array */
const numbers = [5, 10, 15];
/* reducer method that takes in the accumulator and next item */
const reducer = (accumulator, item) => {
return accumulator + item;
};
/* we give the reduce method our reducer function
and our initial value */
const total = numbers.reduce(reducer, initialValue)Copyright © 2021 Codeinu
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