Leetcode Challenge: Length of Last Word Solution

Challenge:

Given a string s consisting of some words separated by some number of spaces, return the length of the last word in the string.

A word is a maximal substring consisting of non-space characters only.

Example 1:

**Input:** s = "Hello World"

**Output:** 5

**Explanation:** The last word is "World" with length 5.

Example 2:

**Input:** s = "   fly me   to   the moon  "

**Output:** 4

**Explanation:** The last word is "moon" with length 4.

Example 3:

**Input:** s = "luffy is still joyboy"

**Output:** 6

**Explanation:** The last word is "joyboy" with length 6.

Challenge Link: https://leetcode.com/submissions/detail/650921516/

Solution:

In JavaScript:

var lengthOfLastWord = function(s) {
    var words = s.split(" ");

    words = words.filter(word => word != "");
    console.log(words);
    if(words[words.length - 1]){
        return words[words.length - 1].length;
    }else{
        return 0;
    }
};

Runtime: 78 ms

Memory Usage: 43.4 MB