JavaScript Coding Questions

As a Front-End developer, JavaScript is the core skill of everything

• 10. first bad versionJavaScriptAlgorithmmedium5775 accepted
• 167. Intersection of unsorted arraysJavaScriptAlgorithmeasy5551 accepted
• 58. get DOM tree heightJavaScriptAlgorithmDOMmedium5276 accepted
• 25. Reorder array with new indexesJavaScriptAlgorithmeasy4866 accepted
• 162. find the single integerJavaScriptAlgorithmeasy4713 accepted
• 165. remove charactersAlgorithmmedium4333 accepted
• 113. Virtual DOM IJavaScriptAlgorithmDOMmedium3701 accepted
• 13. Implement a Queue by using StackJavaScriptAlgorithmmedium3282 accepted
• 104. Traverse DOM level by levelJavaScriptAlgorithmDOMmedium2963 accepted
• 68. get DOM tagsJavaScriptAlgorithmDOMmedium2883 accepted
• 91. invert a binary treeJavaScriptAlgorithmeasy2839 accepted
• 168. move zerosJavaScriptAlgorithmmedium2514 accepted
• 63. create `_.cloneDeep()`JavaScriptAlgorithmLodashmedium2395 accepted
• 110. serialize and deserialize binary treeJavaScriptAlgorithmmedium2389 accepted
• 47. reverse a linked listJavaScriptAlgorithmeasy2279 accepted
• 40. implement Bubble SortJavaScriptAlgorithmeasy2161 accepted
• 163. integer to roman numeralsJavaScriptAlgorithmeasy1931 accepted
• 103. implement Math.sqrt()JavaScriptAlgorithmmedium1927 accepted
• 81. merge sorted arraysJavaScriptAlgorithmeasy1806 accepted
• 107. Find the largest differenceJavaScriptAlgorithmeasy1782 accepted
• 102. validate string of parenthesesJavaScriptAlgorithmstringeasy1617 accepted
• 106. Find two numbers that sum up to 0JavaScriptAlgorithmeasy1603 accepted
• 120. create `isPrime()`JavaScriptAlgorithmeasy1602 accepted
• 48. search first index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1589 accepted
• 138. Intersection of two sorted arraysJavaScriptAlgorithmeasy1582 accepted
• 87. longest substring with unique charactersJavaScriptAlgorithmeasy1544 accepted
• 86. Generate Fibonacci NumberJavaScriptAlgorithmmedium1475 accepted
• 66. remove duplicates from an arrayJavaScriptAlgorithmmedium1374 accepted
• 109. implement `Math.pow()`JavaScriptAlgorithmeasy1329 accepted
• 49. search last index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1303 accepted
• 42. implement Insertion SortJavaScriptAlgorithmeasy1264 accepted
• 24. create a Priority Queue in JavaScriptJavaScriptAlgorithmmedium1230 accepted
• 152. Find Top k ElementsJavaScriptAlgorithmmedium1224 accepted
• 100. detect circle in linked listJavaScriptAlgorithmeasy1154 accepted
• 55. highlight keywords in HTML stringJavaScriptAlgorithmmedium1152 accepted
• 43. implement Quick SortJavaScriptAlgorithmmedium1131 accepted
• 44. implement Selection SortJavaScriptAlgorithmeasy1084 accepted
• 41. implement Merge SortJavaScriptAlgorithmmedium1077 accepted
• 50. search element right before target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1064 accepted
• 82. find available meeting slotsJavaScriptAlgorithmmedium964 accepted
• 51. search element right after target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy928 accepted
• 45. find the K-th largest element in an unsorted arrayJavaScriptAlgorithmmedium848 accepted
• 166. validate number stringJavaScriptAlgorithmstringmedium847 accepted
• 62. implement BigInt additionJavaScriptAlgorithmeasy839 accepted
• 136. find median of two sorted arrayJavaScriptAlgorithmmedium794 accepted
• 111. Count palindromic substringsJavaScriptAlgorithmstringmedium723 accepted
• 108. Implement a Stack by using QueueJavaScriptAlgorithmmedium704 accepted
• 112. remove duplicate characters in a stringJavaScriptAlgorithmstringmedium616 accepted
• 137. binary tree vertical traversalJavaScriptAlgorithmhard?524 accepted
• 75. implement BigInt subtractionJavaScriptAlgorithmmedium459 accepted
• 169. LRU - Chrome storage automatic evictionJavaScriptAlgorithmmedium376 accepted
• 124. calculate arithmetic expressionJavaScriptAlgorithmmedium243 accepted
• 126. BigDecimal additionJavaScriptAlgorithmmedium78 accepted
• 128. BigDecimal multiplicationJavaScriptAlgorithmmedium42 accepted
• 129. BigDecimal DivisionJavaScriptAlgorithmmedium41 accepted
• 127. BigDecimal subtractionJavaScriptAlgorithmmedium36 accepted