// length of last word leetcode solution javascript

var lengthOfLastWord = function(s) {

    // convert string into an array and split by spaces

    let arr = s.split(" ");

    // store array length value

    let length = arr.length;

    // loop through array length

    for(let i=0; i<length; i++){

        // check if last element is empty, if it is empty then remove last element using arr.pop()

        if(arr[arr.length - 1] === ""){

        arr.pop();

        }

        // check if last element is not empty, if it is not empty then break the loop

        if(arr[arr.length - 1] !== ""){

            break;

        }

    }

    // return last element length

    return arr[arr.length - 1].length;

};