PickingNumbers.js

/*
 * Complete the 'pickingNumbers' function below.
 *
 * The function is expected to return an INTEGER.
 * The function accepts INTEGER_ARRAY a as parameter.
 */

function pickingNumbers(a) {
    // Write your code here
    let sortedArray = a.sort(function(a,b){
    return(a - b);
    });

    let currentArray = [];
    let longestArray = 0;
    let startNumber = 0;
    for(let i = 0; i < sortedArray.length; i++){
        let result = Math.abs(sortedArray[startNumber] - sortedArray[i]);
        if (result <= 1){
            currentArray.push(sortedArray[i]);
            if(currentArray.length > longestArray){
                    longestArray = currentArray.length
                };
        }else {

            startNumber = i;
            if(currentArray.length > longestArray){
                longestArray = currentArray.length
            }
            currentArray = [];
            currentArray.push(sortedArray[i]);
        }

    }
        return longestArray;
}