JavaScript Coding Questions

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

• 10. first bad versionJavaScriptAlgorithmmedium6118 accepted
• 167. Intersection of unsorted arraysJavaScriptAlgorithmeasy5648 accepted
• 58. get DOM tree heightJavaScriptAlgorithmDOMmedium5441 accepted
• 25. Reorder array with new indexesJavaScriptAlgorithmeasy5276 accepted
• 162. find the single integerJavaScriptAlgorithmeasy4820 accepted
• 113. Virtual DOM IJavaScriptAlgorithmDOMmedium3828 accepted
• 13. Implement a Queue by using StackJavaScriptAlgorithmmedium3533 accepted
• 104. Traverse DOM level by levelJavaScriptAlgorithmDOMmedium3030 accepted
• 68. get DOM tagsJavaScriptAlgorithmDOMmedium2971 accepted
• 91. invert a binary treeJavaScriptAlgorithmeasy2953 accepted
• 63. create `_.cloneDeep()`JavaScriptAlgorithmLodashmedium2582 accepted
• 168. move zerosJavaScriptAlgorithmmedium2581 accepted
• 110. serialize and deserialize binary treeJavaScriptAlgorithmmedium2453 accepted
• 47. reverse a linked listJavaScriptAlgorithmeasy2437 accepted
• 40. implement Bubble SortJavaScriptAlgorithmeasy2387 accepted
• 103. implement Math.sqrt()JavaScriptAlgorithmmedium2009 accepted
• 163. integer to roman numeralsJavaScriptAlgorithmeasy1976 accepted
• 81. merge sorted arraysJavaScriptAlgorithmeasy1935 accepted
• 107. Find the largest differenceJavaScriptAlgorithmeasy1852 accepted
• 48. search first index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1737 accepted
• 102. validate string of parenthesesJavaScriptAlgorithmstringeasy1716 accepted
• 106. Find two numbers that sum up to 0JavaScriptAlgorithmeasy1684 accepted
• 120. create `isPrime()`JavaScriptAlgorithmeasy1665 accepted
• 87. longest substring with unique charactersJavaScriptAlgorithmeasy1659 accepted
• 138. Intersection of two sorted arraysJavaScriptAlgorithmeasy1648 accepted
• 86. Generate Fibonacci NumberJavaScriptAlgorithmmedium1560 accepted
• 66. remove duplicates from an arrayJavaScriptAlgorithmmedium1470 accepted
• 49. search last index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1416 accepted
• 109. implement `Math.pow()`JavaScriptAlgorithmeasy1394 accepted
• 42. implement Insertion SortJavaScriptAlgorithmeasy1382 accepted
• 24. create a Priority Queue in JavaScriptJavaScriptAlgorithmmedium1349 accepted
• 152. Find Top k ElementsJavaScriptAlgorithmmedium1239 accepted
• 55. highlight keywords in HTML stringJavaScriptAlgorithmmedium1224 accepted
• 100. detect circle in linked listJavaScriptAlgorithmeasy1216 accepted
• 43. implement Quick SortJavaScriptAlgorithmmedium1212 accepted
• 44. implement Selection SortJavaScriptAlgorithmeasy1189 accepted
• 50. search element right before target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1169 accepted
• 41. implement Merge SortJavaScriptAlgorithmmedium1163 accepted
• 82. find available meeting slotsJavaScriptAlgorithmmedium1021 accepted
• 51. search element right after target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy999 accepted
• 62. implement BigInt additionJavaScriptAlgorithmeasy906 accepted
• 45. find the K-th largest element in an unsorted arrayJavaScriptAlgorithmmedium899 accepted
• 166. validate number stringJavaScriptAlgorithmstringmedium865 accepted
• 136. find median of two sorted arrayJavaScriptAlgorithmmedium827 accepted
• 111. Count palindromic substringsJavaScriptAlgorithmstringmedium748 accepted
• 108. Implement a Stack by using QueueJavaScriptAlgorithmmedium737 accepted
• 112. remove duplicate characters in a stringJavaScriptAlgorithmstringmedium635 accepted
• 137. binary tree vertical traversalJavaScriptAlgorithmhard?561 accepted
• 75. implement BigInt subtractionJavaScriptAlgorithmeasy498 accepted
• 169. LRU - Chrome storage automatic evictionJavaScriptAlgorithmmedium389 accepted
• 124. calculate arithmetic expressionJavaScriptAlgorithmmedium255 accepted
• 126. BigDecimal additionJavaScriptAlgorithmmedium82 accepted
• 128. BigDecimal multiplicationJavaScriptAlgorithmmedium46 accepted
• 129. BigDecimal DivisionJavaScriptAlgorithmmedium44 accepted
• 127. BigDecimal subtractionJavaScriptAlgorithmmedium39 accepted