| 2974 | Minimum Number Game | JavaScript | Easy |
| 1848 | Minimum Distance to the Target Element | JavaScript | Easy |
| 1839 | Longest Substring Of All Vowels in Order | JavaScript | Medium |
| 1452 | People Whose List of Favorite Companies Is Not a Subset of Another List | JavaScript | Medium |
| 1451 | Rearrange Words in a Sentence | JavaScript | Medium |
| 1450 | Number of Students Doing Homework at a Given Time | JavaScript | Easy |
| 1446 | Consecutive Characters | JavaScript | Easy |
| 1379 | Find a Corresponding Node of a Binary Tree in a Clone of That Tree | JavaScript | Medium |
| 1344 | Angle Between Hands of a Clock | JavaScript | Medium |
| 1290 | Convert Binary Number in a Linked List to Integer | JavaScript | Easy |
| 1288 | Remove Covered Intervals | JavaScript | Medium |
| 1089 | Duplicate Zeros | JavaScript | Easy |
| 1071 | Greatest Common Divisor of Strings | JavaScript | Easy |
| 1047 | Remove All Adjacent Duplicates In String | JavaScript | Easy |
| 1046 | Last Stone Weight | JavaScript | Easy |
| 1038 | Binary Search Tree to Greater Sum Tree | JavaScript | Medium |
| 1021 | Remove Outermost Parentheses | JavaScript | Easy |
| 1019 | Next Greater Node In Linked List | JavaScript & JavaScript Recursion | Medium |
| 1009 | Complement of Base 10 Integer | JavaScript | Easy |
| 1008 | Construct Binary Search Tree from Preorder Traversal | JavaScript | Medium |
| 1002 | Find Common Characters | JavaScript | Easy |
| 989 | Add to Array-Form of Integer | JavaScript | Easy |
| 986 | Interval List Intersections | JavaScript | Medium |
| 977 | Squares of a Sorted Array | JavaScript | Easy |
| 965 | Univalued Binary Tree | JavaScript | Easy |
| 961 | N-Repeated Element in Size 2N Array | JavaScript | Easy |
| 938 | Range Sum of BST | JavaScript | Medium |
| 929 | Unique Email Addresses | JavaScript | Easy |
| 922 | Sort Array By Parity II | JavaScript | Easy |
| 905 | Sort Array By Parity | JavaScript | Easy |
| 890 | Find and Replace Pattern | JavaScript | Medium |
| 888 | Uncommon Words from Two Sentences | JavaScript | Easy |
| 881 | Boats to Save People | JavaScript | Medium |
| 876 | Middle of the Linked List | JavaScript | Easy |
| 859 | Buddy Strings | JavaScript | Easy |
| 852 | Peak Index in a Mountain Array | JavaScript | Easy |
| 844 | Backspace String Compare | JavaScript | Easy |
| 814 | Binary Tree Pruning | JavaScript | Medium |
| 804 | Unique Morse Code Words | JavaScript | Easy |
| 796 | Rotate String | JavaScript | Easy |
| 788 | Rotated Digits | JavaScript | Easy |
| 771 | Jewels and Stones | JavaScript | Easy |
| 760 | Find Anagram Mappings | JavaScript | Easy |
| 747 | Largest Number At Least Twice of Others | JavaScript | Easy |
| 744 | Find Smallest Letter Greater Than Target | JavaScript | Easy |
| 728 | Self Dividing Numbers | JavaScript | Easy |
| 724 | Find Pivot Index | JavaScript | Easy |
| 709 | To Lower Case | JavaScript | Easy |
| 701 | Insert into a Binary Search Tree | JavaScript | Medium |
| 693 | Binary Number with Alternating Bits | JavaScript | Easy |
| 692 | Top K Frequent Words | JavaScript | Medium |
| 686 | Repeated String Match | JavaScript | Easy |
| 682 | Baseball Game | JavaScript | Easy |
| 680 | Valid Palindrome II | JavaScript | Easy |
| 679 | 24 Game | JavaScript | Hard |
| 678 | Valid Parenthesis String | JavaScript | Medium |
| 677 | Map Sum Pairs | JavaScript | Medium |
| 676 | Implement Magic Dictionary | JavaScript | Medium |
| 674 | Longest Continuous Increasing Subsequence | JavaScript | Easy |
| 672 | Bulb Switcher II | JavaScript | Medium |
| 671 | Second Minimum Node In a Binary Tree | JavaScript | Easy |
| 670 | Maximum Swap | JavaScript | Medium |
| 660 | Remove 9 | JavaScript | Hard |
| 657 | Judge Route Circle | JavaScript | Easy |
| 654 | Maximum Binary Tree | JavaScript | Medium |
| 653 | Two Sum IV - Input is a BST | JavaScript | Easy |
| 645 | Set Mismatch | JavaScript | Easy |
| 643 | Maximum Average Subarray I | JavaScript | Easy |
| 637 | Average of Levels in Binary Tree | JavaScript | Easy |
| 633 | Sum of Square Numbers | JavaScript | Easy |
| 628 | Maximum Product of Three Numbers | JavaScript | Easy |
| 623 | Add One Row to Tree | JavaScript | Medium |
| 617 | Merge Two Binary Trees | JavaScript | Easy |
| 606 | Construct String from Binary Tree | JavaScript | Easy |
| 599 | Minimum Index Sum of Two Lists | JavaScript | Easy |
| 563 | Binary Tree Tilt | JavaScript | Easy |
| 561 | Array Partition I | JavaScript | Easy |
| 557 | Reverse Words in a String III | JavaScript | Easy |
| 551 | Student Attendance Record I | JavaScript | Easy |
| 543 | Diameter of Binary Tree | JavaScript | Easy |
| 541 | Reverse String II | JavaScript | Easy |
| 532 | K-diff Pairs in an Array | JavaScript | Easy |
| 530 | Minimum Absolute Difference in BST | JavaScript | Easy |
| 524 | Longest Word in Dictionary through Deleting | JavaScript | Medium |
| 520 | Detect Capital | JavaScript | Easy |
| 518 | Coin Change 2 | JavaScript | Medium |
| 515 | Find Largest Value in Each Tree Row | JavaScript | Medium |
| 513 | Find Bottom Left Tree Value | JavaScript | Medium |
| 509 | Fibonacci Number | JavaScript | Easy |
| 508 | Most Frequent Subtree Sum | JavaScript | Medium |
| 507 | Perfect Number | JavaScript | Easy |
| 504 | Base 7 | JavaScript | Easy |
| 496 | Next Greater Element I | JavaScript | Easy |
| 482 | License Key Formatting | JavaScript | Medium |
| 476 | Number Complement | JavaScript | Easy |
| 461 | Hamming Distance | JavaScript | Easy |
| 449 | Serialize and Deserialize BST | JavaScript | Medium |
| 448 | Find All Numbers Disappeared in an Array | JavaScript | Easy |
| 442 | Find All Duplicates in an Array | JavaScript | Medium |
| 434 | Number of Segments in a String | JavaScript | Easy |
| 414 | Third Maximum Number | JavaScript | Easy |
| 412 | Fizz Buzz | JavaScript | Easy |
| 409 | Longest Palindrome | JavaScript | Easy |
| 405 | Convert a Number to Hexadecimal | JavaScript | Easy |
| 404 | Sum of Left Leaves | JavaScript | Easy |
| 387 | First Unique Character in a String | JavaScript | Easy |
| 384 | Shuffle an Array | JavaScript | Medium |
| 345 | Reverse Vowels of a String | JavaScript | Easy |
| 344 | Reverse String | JavaScript | Easy |
| 342 | Power of Four | JavaScript | Easy |
| 341 | Flatten Nested List Iterator | JavaScript | Medium |
| 326 | Power of Three | JavaScript | Easy |
| 322 | Coin Change | JavaScript | Medium |
| 319 | Bulb Switcher | JavaScript | Medium |
| 299 | Bulls and Cows | JavaScript | Medium |
| 297 | Serialize and Deserialize Binary Tree | JavaScript | Hard |
| 287 | Find the Duplicate Number | JavaScript | Medium |
| 283 | Move Zeroes | JavaScript | Easy |
| 278 | First Bad Version | JavaScript | Easy |
| 273 | Integer to English Words | JavaScript | Hard |
| 268 | Missing Number | JavaScript | Easy |
| 263 | Ugly Number | JavaScript | Easy |
| 234 | Palindrome Linked List | JavaScript | Easy |
| 230 | Kth Smallest Element in BST | JavaScript | Medium |
| 227 | Basic Calculator II | JavaScript | Medium |
| 226 | Invert Binary Tree | JavaScript | Easy |
| 225 | Implement Stack using Queues | JavaScript | Medium |
| 219 | Contains Duplicate II | JavaScript | Easy |
| 217 | Contains Duplicate | JavaScript | Easy |
| 215 | Kth Largest Element in an Array | JavaScript | Medium |
| 208 | Implement Trie (Prefix Tree) | JavaScript | Medium |
| 206 | Reverse Linked List | JavaScript | Easy |
| 205 | Isomorphic Strings | JavaScript | Easy |
| 203 | Remove Linked List Elements | JavaScript | Easy |
| 202 | Happy Number | JavaScript | Easy |
| 199 | Binary Tree Right Side View | JavaScript | Medium |
| 191 | Number of 1 Bits | JavaScript | Easy |
| 190 | Reverse Bits | JavaScript | Easy |
| 172 | Factorial Trailing Zeroes | JavaScript | Easy |
| 171 | Excel Sheet Column Number | JavaScript | Easy |
| 169 | Majority Element | JavaScript | Easy |
| 168 | Excel Sheet Column Title | JavaScript | Easy |
| 167 | Two Sum II - Input array is sorted | JavaScript | Easy |
| 165 | Compare Version Numbers | JavaScript | Medium |
| 155 | Min Stack | JavaScript | Easy |
| 151 | Reverse Words in a String | JavaScript | Medium |
| 146 | LRU Cache | JavaScript | Hard |
| 142 | Linked List Cycle II | JavaScript | Medium |
| 141 | Linked List Cycle | JavaScript | Easy |
| 136 | Single Number | JavaScript | Medium |
| 122 | Best Time to Buy and Sell Stock II | JavaScript | Easy |
| 121 | Best Time to Buy and Sell Stock | JavaScript | Easy |
| 119 | Pascal's Triangle II | JavaScript | Easy |
| 118 | Pascal's Triangle | JavaScript | Easy |
| 112 | Path Sum | JavaScript | Easy |
| 111 | Minimum Depth of Binary Tree | JavaScript | Easy |
| 109 | Convert Sorted List to Binary Search Tree | JavaScript | Medium |
| 108 | Convert Sorted Array to Binary Search Tree | JavaScript | Easy |
| 107 | Binary Tree Level Order Traversal II | JavaScript | Easy |
| 103 | Binary Tree Zigzag Level Order Traversal | JavaScript | Medium |
| 102 | Binary Tree Level Order Traversal | JavaScript | Easy |
| 101 | Symmetric Tree | JavaScript | Easy |
| 94 | Binary Tree Inorder Traversal | JavaScript | Medium |
| 92 | Reverse Linked List II | JavaScript | Medium |
| 88 | Merge Sorted Array | JavaScript | Easy |
| 86 | Partition List | JavaScript | Medium |
| 80 | Remove Duplicates from Sorted Array II | JavaScript | Medium |
| 70 | Climbing Stairs | JavaScript | Easy |
| 69 | Sqrt(x) | JavaScript | Easy |
| 67 | Add Binary | JavaScript | Easy |
| 66 | Plus One | JavaScript | Easy |
| 58 | Length of Last Word | JavaScript | Easy |
| 56 | Merge Intervals | JavaScript | Medium |
| 53 | Maximum Subarray | JavaScript | Easy |
| 50 | Pow(x, n) | JavaScript | Medium |
| 35 | Search Insert Position | JavaScript | Easy |
| 28 | Implement strStr() | JavaScript | Easy |
| 27 | Remove Element | JavaScript | Easy |
| 26 | Remove Duplicates from Sorted Array | JavaScript | Easy |
| 25 | Reverse Nodes in k-Group | JavaScript | Hard |
| 24 | Swap Nodes in Pairs | JavaScript | Medium |
| 23 | Merge k Sorted Lists | JavaScript | Hard |
| 22 | Generate Parentheses | JavaScript | Medium |
| 21 | Merge Two Sorted Lists | JavaScript | Easy |
| 20 | Valid Parentheses | JavaScript | Easy |
| 19 | Remove Nth Node From End of List | JavaScript | Easy |
| 17 | Letter Combinations of a Phone Number | JavaScript | Medium |
| 15 | 3Sum | JavaScript | Medium |
| 14 | Longest Common Prefix | JavaScript | Easy |
| 13 | Roman to Integer | JavaScript | Easy |
| 12 | Integer to Roman | JavaScript | Medium |
| 11 | Container With Most Water | JavaScript | Medium |
| 10 | Regular Expression Matching | JavaScript | Hard |
| 9 | Palindrome Number | JavaScript | Easy |
| 8 | String to Integer (atoi) | JavaScript | Easy |
| 7 | Reverse Integer | JavaScript | Easy |
| 6 | ZigZag Conversion | JavaScript | Easy |
| 5 | Longest Palindromic Substring | JavaScript | Medium |
| 4 | Median of Two Sorted Arrays | JavaScript | Hard |
| 3 | Longest Substring Without Repeating Characters | JavaScript | Medium |
| 2 | Add Two Numbers | JavaScript | Medium |
| 1 | Two Sum | JavaScript | Easy |
