Add the JavaScript solutions

Author: BigEgg

.gitignore

@@ -102,3 +102,6 @@ dist
 
 # TernJS port file
 .tern-port
+
+
+.vscode

.jshintrc

@@ -0,0 +1,15 @@
+{
+  "curly": true,
+  "eqeqeq": true,
+  "eqnull":true,
+  "nocomma": false,
+  "undef": true,
+  "unused": true,
+  "strict": true,
+  "esversion": 6,
+  "quotmark": "single",
+  "shadow": "outer",
+  "jasmine": true,
+  "module": true,
+  "node": true
+}

README.md

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+# LeetCode
+The JavaScript solutions for LeetCode problems.
+
+### Algorithm
+
+| Languages | Build Status | Solved Problems |
+| --------- | ------------ | --------------- |
+|JavaScript|[![Windows Build Status](https://img.shields.io/appveyor/ci/bigegg/leetcode-he0qs.svg?style=flat-square&label=Windows%20Build)](https://ci.appveyor.com/project/BigEgg/leetcode-he0qs)[![Linux Build Status](https://img.shields.io/badge/Linux%20Build-Invalid-lightgrey.svg?style=flat-square)]()|[![Solved Problems](https://img.shields.io/badge/Solved%20Problems-26-blue.svg?style=flat-square)](https://github.com/BigEgg/LeetCode/tree/JavaScript)|
+
+## Problems
+
+### Table of Contents
+* [001-050](#Problems-001-050)
+* [051-100](#Problems-051-100)
+* [101-150](#Problems-101-150)
+* [151-200](#Problems-151-200)
+* [201-250](#Problems-201-250)
+* [301-350](#Problems-301-350)
+* [551-600](#Problems-551-600)
+
+### Problems 001-050
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 1 | Two Sum | [JavaScript](./src/0001-0050/0001-TwoSum.js)(72ms) | O(N) | O(N) | |
+| 2 | Add Two Numbers | [JavaScript](./src/0001-0050/002-AddTwoNumbers.js)(260ms) | O(Max(N, M)) | O(1) | |
+| 3 | Longest Substring Without Repeating Characters | [JavaScript](./src/0001-0050/003-LongestSubstringWithoutRepeatingCharacters.js)(240ms) | O(N) | O(1) | C# use array will slower |
+| 4 | Median of Two Sorted Arrays | [JavaScript](./src/0001-0050/0004-MedianOfTwoSortedArrays.js)(128ms) | O(Log(N+M)) | O(1) | |
+| 5 | Longest Palindromic Substring | [JavaScript](./src/0001-0050/005-LongestPalindromicSubstring.js)(128ms) | O(N) | O(N) | Use Manacher's Algorithm |
+| 6 | ZigZag Conversion | [JavaScript](./src/0001-0050/006-ZigZagConversion.js)(188ms) | O(N) | O(N) | |
+| 7 | Reverse Integer | [JavaScript](./src/0001-0050/007-ReverseInteger.js)(129ms) | O(1) | O(1) | |
+| 8 | String to Integer (atoi) | [JavaScript](./src/0001-0050/008-StringToInteger(atoi).js)(122ms) | O(1) | O(1) | |
+| 9 | Palindrome Number | [JavaScript](./src/0001-0050/009-PalindromeNumber.js)(315ms) | O(1) | O(1) | |
+| 10 | Regular Expression Matching | [JavaScript](./src/0001-0050/010-RegularExpressionMatching.js)(276ms) | O(N*M) | O(N*M) | |
+| 11 | Container With Most Water | [JavaScript](./src/0001-0050/0011-ContainerWithMostWater.js)(80ms) | O(N) | O(1) | |
+| 15 | 3Sum | [JavaScript](./src/0001-0050/0015-3Sum.js)(128ms) | O(N<sup>2</sup>) | O(M) | For Python solution, use count to reduce time to O(min(N, M<sup>2</sup>)) and space to O(M) |
+| 31 | Next Permutation | [JavaScript](./src/0001-0050/0031-NextPermutation.js)(76ms) | O(N) | O(1) | |
+| 33 | Search in Rotated Sorted Array | [JavaScript](./src/0001-0050/0033-SearchInRotatedSortedArray.js)(68ms) | O(N) | O(1) | |
+| 42 | Trapping Rain Water | [JavaScript](./src/0001-0050/0042-TrappingRainWater.js)(80ms) | O(N) | O(1) | |
+
+### Problems 051-100
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 53 | Maximum Subarray | [JavaScript](./src/0051-0100/0053-MaximumSubarray.js)(72ms) | O(N) | O(1) | |
+| 56 | Merge Intervals | [JavaScript](./src/0051-0100/0056-MergeIntervals.js)(88ms) | O(NLogN) | O(1) | |
+| 84 | Largest Rectangle in Histogram | [JavaScript](./src/0051-0100/0084-LargestRectangleInHistogram.js)(84ms) | O(N) | O(N) | |
+| 85 | Maximal Rectangle | [JavaScript](./src/0051-0100/0085-MaximalRectangle.js)(88ms) | O(N*M) | O(M) | |
+
+### Problems 101-150
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 121 | Best Time to Buy and Sell Stock | [JavaScript](./src/0101-0150/0121-BestTimeToBuyAndSellStock.js)(80ms) | O(N) | O(1) | |
+| 127 | Word Ladder | [JavaScript](./src/0101-0150/0127-WordLadder.js)(120ms) | O(N*M) | O(N*M) | Bidirectional BFS |
+
+### Problems 151-200
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 199 | Binary Tree Right Side View | [JavaScript](./src/0151-0200/0199-BinaryTreeRightSideView.js)(76ms) | O(N) | O(h) | |
+| 200 | Number of Islands | [JavaScript](./src/0151-0200/0200-NumberOfIslands.js)(96ms) | O(N*M) | O(N*M) | |
+
+### Problems 201-250
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 238 | Product of Array Except Self | [JavaScript](./src/0201-0250/0238-ProductOfArrayExceptSelf.js)(92ms) | O(N) | O(1) | |
+
+### Problems 301-350
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 301 | Remove Invalid Parentheses | [JavaScript](./src/0301-0350/0301-RemoveInvalidParentheses.js)(80ms) | O(2<sup>N</sup>) | O(N) | |
+
+### Problems 551-600
+[Back to Table of Contents](#Table-of-Contents)
+
+| # | Title | Solutions | Time | Space | Comments |
+|---| ----- | --------- | ---- | ----- | -------- |
+| 560 | Subarray Sum Equals K | [JavaScript](./src/0551-0600/0560-SubarraySumEqualsK.js)(120ms) | O(N) | O(1) | |

jasmine-runner.js

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+'use strict';
+
+let Jasmine = require('jasmine');
+let SpecReporter = require('jasmine-spec-reporter').SpecReporter;
+
+let jrunner = new Jasmine();
+jrunner.env.clearReporters(); // remove default reporter logs
+jrunner.addReporter(new SpecReporter({ // add jasmine-spec-reporter
+    spec: {
+        displayPending: true
+    }
+}));
+jrunner.loadConfigFile(); // load jasmine.json configuration
+jrunner.execute();