/* Array.reduce( * (accumulator, currentValue, currentIndex, array) => { * return accumulator + currentValue; * }, * initialValue * ); */ function sumOfElements(arr) { if(arr==undefined) return 0; return arr.reduce((sum, currentValue) => sum + currentValue,0); }
- /* Array.reduce(
- * (accumulator, currentValue, currentIndex, array) => {
- * return accumulator + currentValue;
- * },
- * initialValue
- * );
- */
function sumOfElements(arr) {return arr ? arr.reduce( (sum, currentValue) => sum + currentValue) : 0;- function sumOfElements(arr) {
- if(arr==undefined) return 0;
- return arr.reduce((sum, currentValue) => sum + currentValue,0);
- }