JavaScritp under pressure - test 4

function longestString(i) {

    // i will be an array.
    // return the longest string in the array

    var itemLength = 0;
var item;
    for(j = 0; j < i.length; j++) {
        if(typeof(i[j]) !== 'string') {
            i.splice(j, 1);
        } // end typeof
       if(i[j].length > itemLength) {
            itemLength = i[j].length;
            item = i[j];
       }

    }
    //console.log(array);
    return item;
}