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

Author: rain84

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

@@ -311,6 +311,27 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    let [ans, b] = [0, 0];
+
+    for (const ch of s) {
+        if (ch === 'b') {
+            ++b;
+        } else {
+            ans = Math.min(ans + 1, b);
+        }
+    }
+    return ans;
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

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

@@ -309,6 +309,27 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    let [ans, b] = [0, 0];
+
+    for (const ch of s) {
+        if (ch === 'b') {
+            ++b;
+        } else {
+            ans = Math.min(ans + 1, b);
+        }
+    }
+    return ans;
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

solution/1600-1699/1653.Minimum Deletions to Make String Balanced/Solution2.js

@@ -0,0 +1,16 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    let [ans, b] = [0, 0];
+
+    for (const ch of s) {
+        if (ch === 'b') {
+            ++b;
+        } else {
+            ans = Math.min(ans + 1, b);
+        }
+    }
+    return ans;
+};