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

Author: rain84

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

@@ -187,6 +187,29 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const n = s.length;
+    const f = new Array(n + 1).fill(0);
+    let b = 0;
+    for (let i = 1; i <= n; ++i) {
+        if (s[i - 1] === 'b') {
+            f[i] = f[i - 1];
+            ++b;
+        } else {
+            f[i] = Math.min(f[i - 1] + 1, b);
+        }
+    }
+    return f[n];
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

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

@@ -185,6 +185,29 @@ function minimumDeletions(s: string): number {
 }
 ```
 
+#### JavaScript
+
+```js
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const n = s.length;
+    const f = new Array(n + 1).fill(0);
+    let b = 0;
+    for (let i = 1; i <= n; ++i) {
+        if (s[i - 1] === 'b') {
+            f[i] = f[i - 1];
+            ++b;
+        } else {
+            f[i] = Math.min(f[i - 1] + 1, b);
+        }
+    }
+    return f[n];
+};
+```
+
 <!-- tabs:end -->
 
 <!-- solution:end -->

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

@@ -0,0 +1,18 @@
+/**
+ * @param {string} s
+ * @return {number}
+ */
+var minimumDeletions = function (s) {
+    const n = s.length;
+    const f = new Array(n + 1).fill(0);
+    let b = 0;
+    for (let i = 1; i <= n; ++i) {
+        if (s[i - 1] === 'b') {
+            f[i] = f[i - 1];
+            ++b;
+        } else {
+            f[i] = Math.min(f[i - 1] + 1, b);
+        }
+    }
+    return f[n];
+};