feat: update ts solution to lc problem: No.2696 (#1616)

Author: thinkasany

solution/2600-2699/2696.Minimum String Length After Removing Substrings/README.md

@@ -139,7 +139,7 @@ function minLength(s: string): number {
     for (const c of s) {
         if (c === 'B' && stk[stk.length - 1] === 'A') {
             stk.pop();
-        } else if (c == 'D' && stk[stk.length - 1] === 'C') {
+        } else if (c === 'D' && stk[stk.length - 1] === 'C') {
             stk.pop();
         } else {
             stk.push(c);

solution/2600-2699/2696.Minimum String Length After Removing Substrings/README_EN.md

@@ -121,7 +121,7 @@ function minLength(s: string): number {
     for (const c of s) {
         if (c === 'B' && stk[stk.length - 1] === 'A') {
             stk.pop();
-        } else if (c == 'D' && stk[stk.length - 1] === 'C') {
+        } else if (c === 'D' && stk[stk.length - 1] === 'C') {
             stk.pop();
         } else {
             stk.push(c);

solution/2600-2699/2696.Minimum String Length After Removing Substrings/Solution.ts

@@ -3,7 +3,7 @@ function minLength(s: string): number {
     for (const c of s) {
         if (c === 'B' && stk[stk.length - 1] === 'A') {
             stk.pop();
-        } else if (c == 'D' && stk[stk.length - 1] === 'C') {
+        } else if (c === 'D' && stk[stk.length - 1] === 'C') {
             stk.pop();
         } else {
             stk.push(c);