Get sum of elements of array using Array.reduce function
/* Array.reduce(
* (accumulator, currentValue, currentIndex, array) => {
* return accumulator + currentValue;
* },
* initialValue
* );
*/
function sumOfElements(arr) {
if(arguments.length === 0)
arr = [1,2,3,4,5];
var total = arr.reduce( (sum, currentValue) => {return sum + currentValue}, 0 );
console.log(total);
return total;
}// TODO: Replace examples and use TDD development by writing your own tests
// These are some CW specific test methods available:
// Test.expect(boolean, [optional] message)
// Test.assertEquals(actual, expected, [optional] message)
// Test.assertSimilar(actual, expected, [optional] message)
// Test.assertNotEquals(actual, expected, [optional] message)
// NodeJS assert is also automatically required for you.
// assert(true)
// assert.strictEqual({a: 1}, {a: 1})
// assert.deepEqual({a: [{b: 1}]}, {a: [{b: 1}]})
// You can also use Chai (http://chaijs.com/) by requiring it yourself
// var expect = require("chai").expect;
// var assert = require("chai").assert;
// require("chai").should();
describe("Solution", function(){
it("should test for something", function(){
//Test.assertEquals("actual", "expected", "This is just an example of how you can write your own TDD tests");
Test.assertEquals(sumOfElements([1,2,3]), 6, "Wrong");
Test.assertEquals(sumOfElements(), 15, "Wrong");
});
});