2. Find the second largest element from an array in javascript?
var secondMax = function (arr) { var max = Math.max.apply(null, arr); // get the max of the array arr.splice(arr.indexOf(max), 1); // remove max from the array return Math.max.apply(null, arr); // get the 2nd max }; var arr = [20, 120, 111, 215, 54, 78]; // use int arrays var max2 = secondMax(arr); console.log(max2)