JavaScript Coding Questions

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

• 10. first bad versionJavaScriptAlgorithmmedium5532 accepted
• 167. Intersection of unsorted arraysJavaScriptAlgorithmeasy5495 accepted
• 58. get DOM tree heightJavaScriptAlgorithmDOMmedium5130 accepted
• 162. find the single integerJavaScriptAlgorithmeasy4647 accepted
• 25. Reorder array with new indexesJavaScriptAlgorithmeasy4613 accepted
• 113. Virtual DOM IJavaScriptAlgorithmDOMmedium3577 accepted
• 13. Implement a Queue by using StackJavaScriptAlgorithmmedium3106 accepted
• 104. Traverse DOM level by levelJavaScriptAlgorithmDOMmedium2895 accepted
• 68. get DOM tagsJavaScriptAlgorithmDOMmedium2832 accepted
• 91. invert a binary treeJavaScriptAlgorithmeasy2765 accepted
• 168. move zerosJavaScriptAlgorithmmedium2466 accepted
• 110. serialize and deserialize binary treeJavaScriptAlgorithmmedium2344 accepted
• 63. create `_.cloneDeep()`JavaScriptAlgorithmLodashmedium2255 accepted
• 47. reverse a linked listJavaScriptAlgorithmeasy2170 accepted
• 40. implement Bubble SortJavaScriptAlgorithmeasy2020 accepted
• 163. integer to roman numeralsJavaScriptAlgorithmeasy1905 accepted
• 103. implement Math.sqrt()JavaScriptAlgorithmmedium1878 accepted
• 81. merge sorted arraysJavaScriptAlgorithmeasy1720 accepted
• 107. Find the largest differenceJavaScriptAlgorithmeasy1717 accepted
• 106. Find two numbers that sum up to 0JavaScriptAlgorithmeasy1560 accepted
• 102. validate string of parenthesesJavaScriptAlgorithmstringeasy1540 accepted
• 120. create `isPrime()`JavaScriptAlgorithmeasy1540 accepted
• 138. Intersection of two sorted arraysJavaScriptAlgorithmeasy1537 accepted
• 48. search first index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1517 accepted
• 87. longest substring with unique charactersJavaScriptAlgorithmeasy1460 accepted
• 86. Generate Fibonacci NumberJavaScriptAlgorithmmedium1396 accepted
• 66. remove duplicates from an arrayJavaScriptAlgorithmmedium1317 accepted
• 109. implement `Math.pow()`JavaScriptAlgorithmeasy1272 accepted
• 49. search last index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1243 accepted
• 152. Find Top k ElementsJavaScriptAlgorithmmedium1202 accepted
• 42. implement Insertion SortJavaScriptAlgorithmeasy1188 accepted
• 24. create a Priority Queue in JavaScriptJavaScriptAlgorithmmedium1181 accepted
• 100. detect circle in linked listJavaScriptAlgorithmeasy1124 accepted
• 55. highlight keywords in HTML stringJavaScriptAlgorithmmedium1117 accepted
• 43. implement Quick SortJavaScriptAlgorithmmedium1058 accepted
• 44. implement Selection SortJavaScriptAlgorithmeasy1027 accepted
• 50. search element right before target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1011 accepted
• 41. implement Merge SortJavaScriptAlgorithmmedium999 accepted
• 82. find available meeting slotsJavaScriptAlgorithmmedium924 accepted
• 51. search element right after target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy885 accepted
• 166. validate number stringJavaScriptAlgorithmstringmedium833 accepted
• 45. find the K-th largest element in an unsorted arrayJavaScriptAlgorithmmedium801 accepted
• 62. implement BigInt additionJavaScriptAlgorithmeasy795 accepted
• 136. find median of two sorted arrayJavaScriptAlgorithmmedium783 accepted
• 111. Count palindromic substringsJavaScriptAlgorithmstringmedium705 accepted
• 108. Implement a Stack by using QueueJavaScriptAlgorithmmedium679 accepted
• 112. remove duplicate characters in a stringJavaScriptAlgorithmstringmedium606 accepted
• 137. binary tree vertical traversalJavaScriptAlgorithmhard?513 accepted
• 75. implement BigInt subtractionJavaScriptAlgorithmmedium433 accepted
• 169. LRU - Chrome storage automatic evictionJavaScriptAlgorithmmedium360 accepted
• 124. calculate arithmetic expressionJavaScriptAlgorithmmedium237 accepted
• 126. BigDecimal additionJavaScriptAlgorithmmedium76 accepted
• 128. BigDecimal multiplicationJavaScriptAlgorithmmedium40 accepted
• 129. BigDecimal DivisionJavaScriptAlgorithmmedium40 accepted
• 127. BigDecimal subtractionJavaScriptAlgorithmmedium35 accepted