feat: add js solution to lc problem: No. 1653

Author: rain84

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/README.md

@@ -421,6 +421,28 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const stk = [];
+    let res = 0;
+
+    for (const ch of s) {
+        if (stk.at(-1) === 'b' && ch === 'a') {
+            stk.pop();
+            res++;
+        } else stk.push(ch);
+    }
+
+    return res;
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/README_EN.md

@@ -423,6 +423,28 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const stk = [];
+    let res = 0;
+
+    for (const ch of s) {
+        if (stk.at(-1) === 'b' && ch === 'a') {
+            stk.pop();
+            res++;
+        } else stk.push(ch);
+    }
+
+    return res;
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/Solution4.js

@@ -0,0 +1,17 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const stk = [];
+    let res = 0;
+
+    for (const ch of s) {
+        if (stk.at(-1) === 'b' && ch === 'a') {
+            stk.pop();
+            res++;
+        } else stk.push(ch);
+    }
+
+    return res;
+};