Answers for "Write a function sumArray that takes an array as an argument. The array should contain numbers. The function should return the sum of the numbers in the array. Use a for loop within the function to iterate over the array and sum the contents."

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how to add up all numbers in an array

var numbers = [10, 20, 30, 40] 
var sum = 0;
for (var i = 0; i < numbers.length; i++) {  sum += numbers[i]}

Posted by: Guest on March-23-2020

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how to add up all numbers in an array

const numbers = [10, 20, 30, 40] 
add = (a, b) =>  a + b
const sum = numbers.reduce(add)

Posted by: Guest on March-23-2020

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