Add Valid Parentheses Problem

Author: khairalanam

L-B/0022 ValidParentheses/ValidParentheses.js

@@ -0,0 +1,29 @@
+const ValidParentheses = (s) => {
+  var stack = [];
+
+  obj = {
+    "(": ")",
+    "{": "}",
+    "[": "]",
+  };
+
+  for (let i of s) {
+    if (Object.keys(obj).includes(i)) {
+      stack.push(i);
+    } else if (stack && obj[stack[stack.length - 1]] == i) {
+      stack.pop();
+    } else {
+      return false;
+    }
+  }
+
+  return stack.length === 0 ? true : false;
+};
+
+s = "()";
+s1 = "()[]{}";
+s2 = "(]";
+
+console.log(ValidParentheses(s));
+console.log(ValidParentheses(s1));
+console.log(ValidParentheses(s2));