Merge pull request #241 from flames519/master

添加 344,541 javaScript版本

problems/0344.反转字符串.md

@@ -183,6 +183,26 @@ func reverseString(s []byte)  {
 }
 ```
 
+javaScript:
+
+```js
+/**
+ * @param {character[]} s
+ * @return {void} Do not return anything, modify s in-place instead.
+ */
+var reverseString = function(s) {
+    return s.reverse();
+};
+
+var reverseString = function(s) {
+    let l = -1, r = s.length;
+    while(++l < --r) [s[l], s[r]] = [s[r], s[l]];
+    return s;
+};
+```
+
+
+
 
 
 

problems/0541.反转字符串II.md

@@ -168,6 +168,26 @@ class Solution(object):
 
 Go：
 
+javaScript: 
+
+```js
+
+/**
+ * @param {string} s
+ * @param {number} k
+ * @return {string}
+ */
+var reverseStr = function(s, k) {
+    const len = s.length;
+    let resArr = s.split(""); 
+    for(let i = 0; i < len; i += 2 * k) {
+        let l = i - 1, r = i + k > len ? len : i + k;
+        while(++l < --r) [resArr[l], resArr[r]] = [resArr[r], resArr[l]];
+    }
+    return resArr.join("");
+};
+
+```