upd: Regular Expression Matching & Length of Last Word

Author: bt404

.gitignore

@@ -0,0 +1,2 @@
+.DS_Store
+*.swp

README.md

@@ -14,3 +14,4 @@ LeetCode JavaScript Solution
 | Median of Two Sorted Arrays | Hard | 2017-10-13 |
 | Longest Palindromic Substring | Medium | 2018-01-19 |
 | Reverse Integer | Easy | 2018-01-19 |
+| Regular Expression Matching | Hard | 2018-03-09 |

src/lengthOfLastWord.js

@@ -3,6 +3,6 @@
  * @return {number}
  */
 var lengthOfLastWord = function(s) {
-    var temp = s.replace(/\ +/g, ' ').split(' ');
-    return (temp[temp.length - 1] && temp[temp.length -1].length) || (temp[temp.length - 2] && temp[temp.length -2].length) || 0;
+    var temp = s.replace(/\ +/g, ' ').trim().split(' ');
+    return temp[temp.length - 1].length;
 };