find Kth largest element in array js tc code example

Example 1: get largest number in array javascript

const array1 = [1, 3, 2];

Math.max(...array1);
// expected output: 3

Example 2: find second largest number in array javascript

var secondMax = function (arr){ 
    var max = Math.max.apply(null, arr), // get the max of the array
        maxi = arr.indexOf(max);
    arr[maxi] = -Infinity; // replace max in the array with -infinity
    var secondMax = Math.max.apply(null, arr); // get the new max 
    arr[maxi] = max;
    return secondMax;
};