how do i add numbers in an array for a total js code example

Example 1: adding numbers in an array javascript

console.log(
  [].reduce((a, b) => a + b)
)

Example 2: add numbers from array nodejs

//these are the values//
var values = [
	'1',
  	'2'
]
//makes a variable named total, adding together the values
var total = values[0] + values[1]

//prints out the variable named total
console.log(total);