JavaScript Coding Questions

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

• 167. Intersection of unsorted arraysJavaScriptAlgorithmeasy5334 accepted
• 10. first bad versionJavaScriptAlgorithmmedium4961 accepted
• 58. get DOM tree heightJavaScriptAlgorithmDOMmedium4883 accepted
• 162. find the single integerJavaScriptAlgorithmeasy4502 accepted
• 25. Reorder array with new indexesJavaScriptAlgorithmeasy4066 accepted
• 113. Virtual DOM IJavaScriptAlgorithmDOMmedium3306 accepted
• 13. Implement a Queue by using StackJavaScriptAlgorithmmedium2823 accepted
• 104. Traverse DOM level by levelJavaScriptAlgorithmDOMmedium2782 accepted
• 68. get DOM tagsJavaScriptAlgorithmDOMmedium2731 accepted
• 91. invert a binary treeJavaScriptAlgorithmeasy2618 accepted
• 168. move zerosJavaScriptAlgorithmmedium2352 accepted
• 110. serialize and deserialize binary treeJavaScriptAlgorithmmedium2231 accepted
• 63. create `_.cloneDeep()`JavaScriptAlgorithmLodashmedium2045 accepted
• 47. reverse a linked listJavaScriptAlgorithmeasy2002 accepted
• 163. integer to roman numeralsJavaScriptAlgorithmeasy1851 accepted
• 40. implement Bubble SortJavaScriptAlgorithmeasy1793 accepted
• 103. implement Math.sqrt()JavaScriptAlgorithmmedium1660 accepted
• 107. Find the largest differenceJavaScriptAlgorithmeasy1619 accepted
• 81. merge sorted arraysJavaScriptAlgorithmeasy1572 accepted
• 138. Intersection of two sorted arraysJavaScriptAlgorithmeasy1477 accepted
• 106. Find two numbers that sum up to 0JavaScriptAlgorithmeasy1446 accepted
• 120. create `isPrime()`JavaScriptAlgorithmeasy1438 accepted
• 102. validate string of parenthesesJavaScriptAlgorithmstringeasy1418 accepted
• 48. search first index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1357 accepted
• 87. longest substring with unique charactersJavaScriptAlgorithmeasy1340 accepted
• 86. Generate Fibonacci NumberJavaScriptAlgorithmmedium1313 accepted
• 66. remove duplicates from an arrayJavaScriptAlgorithmmedium1246 accepted
• 109. implement `Math.pow()`JavaScriptAlgorithmeasy1192 accepted
• 152. Find Top k ElementsJavaScriptAlgorithmmedium1167 accepted
• 49. search last index with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy1123 accepted
• 24. create a Priority Queue in JavaScriptJavaScriptAlgorithmmedium1105 accepted
• 55. highlight keywords in HTML stringJavaScriptAlgorithmmedium1055 accepted
• 42. implement Insertion SortJavaScriptAlgorithmeasy1044 accepted
• 100. detect circle in linked listJavaScriptAlgorithmeasy1037 accepted
• 43. implement Quick SortJavaScriptAlgorithmmedium996 accepted
• 44. implement Selection SortJavaScriptAlgorithmeasy908 accepted
• 41. implement Merge SortJavaScriptAlgorithmmedium902 accepted
• 50. search element right before target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy896 accepted
• 82. find available meeting slotsJavaScriptAlgorithmmedium869 accepted
• 166. validate number stringJavaScriptAlgorithmstringmedium814 accepted
• 51. search element right after target with Binary Search(possible duplicate array)JavaScriptAlgorithmeasy802 accepted
• 136. find median of two sorted arrayJavaScriptAlgorithmmedium755 accepted
• 45. find the K-th largest element in an unsorted arrayJavaScriptAlgorithmmedium724 accepted
• 62. implement BigInt additionJavaScriptAlgorithmeasy723 accepted
• 111. Count palindromic substringsJavaScriptAlgorithmstringmedium682 accepted
• 108. Implement a Stack by using QueueJavaScriptAlgorithmmedium650 accepted
• 112. remove duplicate characters in a stringJavaScriptAlgorithmstringmedium573 accepted
• 137. binary tree vertical traversalJavaScriptAlgorithmhard?493 accepted
• 75. implement BigInt subtractionJavaScriptAlgorithmmedium415 accepted
• 169. LRU - Chrome storage automatic evictionJavaScriptAlgorithmmedium353 accepted
• 124. calculate arithmetic expressionJavaScriptAlgorithmmedium226 accepted
• 126. BigDecimal additionJavaScriptAlgorithmmedium75 accepted
• 128. BigDecimal multiplicationJavaScriptAlgorithmmedium39 accepted
• 129. BigDecimal DivisionJavaScriptAlgorithmmedium39 accepted
• 127. BigDecimal subtractionJavaScriptAlgorithmmedium34 accepted