JavaScript Switch Statement

JS switch statement is used to execute one statement from multiple conditions.it is similer to IF statements on the same expression

Get the sum of array values using reduce()

Sum all the values of an array

var numbersArary = [2,5,6];
var newResultValue = numbersArary.reduce(testFunc,0)

function testFunc(accumulator,number) {
  return accumulator + number;
}

console.log(newResultValue);
//Output : 13