Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise easy2173 accepted
2. Promise executor JavaScript Promise easy2074 accepted
3. Promise then callbacks JavaScript Promise easy1378 accepted
5. block scope JavaScript easy1215 accepted
7. Increment Operator JavaScript easy962 accepted
4. Promise then callbacks II JavaScript Promise easy961 accepted
8. Implicit Coercion I JavaScript easy683 accepted
93. string JavaScript easy654 accepted
6. Arrow Function JavaScript medium646 accepted
69. undefined JavaScript easy620 accepted
70. function JavaScript easy592 accepted
10. Equal JavaScript easy554 accepted
86. setTimeout III JavaScript easy477 accepted
9. null and undefined JavaScript medium465 accepted
89. let JavaScript easy462 accepted
12. arguments JavaScript medium441 accepted
27. Hoisting I JavaScript easy428 accepted
97. `this` V JavaScript easy419 accepted
13. Operator precedence JavaScript easy386 accepted
61. onClick JavaScript easy385 accepted
28. Hoisting II JavaScript easy385 accepted
39. var JavaScript easy378 accepted
67. if JavaScript medium363 accepted
29. Hoisting III JavaScript easy348 accepted
63. in JavaScript easy346 accepted
94. emoji JavaScript easy327 accepted
17. reduce JavaScript medium317 accepted
68. if II JavaScript medium314 accepted
65. Function name JavaScript easy300 accepted
37. push unshift JavaScript easy296 accepted
23. Promise.all()JavaScript easy287 accepted
45. Hoisting VI JavaScript easy284 accepted
96. comparison JavaScript easy281 accepted
72. Array length JavaScript easy281 accepted
11. Implicit Coercion II JavaScript easy278 accepted
54. setTimeout(0ms)JavaScript easy276 accepted
91. largest Array index JavaScript easy271 accepted
44. Function call JavaScript easy269 accepted
41. `this` III JavaScript easy269 accepted
95. number format JavaScript easy266 accepted
74. Typed Array length JavaScript easy264 accepted
18. Promise executor II JavaScript easy263 accepted
38. Hoisting IV JavaScript easy256 accepted
92. NaN JavaScript easy254 accepted
81. setTimeout II JavaScript easy247 accepted
19. `this`JavaScript easy246 accepted
15. instanceOf JavaScript easy238 accepted
46. Implicit Coercion IV JavaScript easy229 accepted
22. min max JavaScript easy227 accepted
47. Promise Order II JavaScript easy224 accepted
88. try...catch JavaScript medium222 accepted
14. Addition vs Unary Plus JavaScript easy215 accepted
84. Array.prototype.sort()JavaScript medium211 accepted
53. Prototype 2 JavaScript easy211 accepted
33. `this` II JavaScript easy203 accepted
50. async await JavaScript easy202 accepted
32. Hoisting IIII JavaScript medium202 accepted
48. Prototype JavaScript easy199 accepted
60. postMessage JavaScript easy194 accepted
16. parseInt JavaScript easy192 accepted
24. Equality & Sameness JavaScript easy188 accepted
79. Equal III JavaScript easy185 accepted
49. `this` IV JavaScript easy185 accepted
76. const JavaScript hard?184 accepted
21. Array I JavaScript medium183 accepted
64. reference type JavaScript easy180 accepted
26. true or false JavaScript easy176 accepted
87. instanceOf 2 JavaScript easy172 accepted
36. Promise.prototype.finally()JavaScript easy172 accepted
59. override setter JavaScript easy171 accepted
20. name for Function expression JavaScript medium171 accepted
62. MessageChannel JavaScript easy168 accepted
77. parseInt 2 JavaScript easy147 accepted
42. Hoisting V JavaScript medium145 accepted
57. non-writable JavaScript easy141 accepted
34. precedence JavaScript easy140 accepted
73. window name JavaScript medium129 accepted
66. comma JavaScript easy129 accepted
40. RegExp.prototype.test JavaScript easy128 accepted
30. Equal II JavaScript easy126 accepted
52. requestAnimationFrame JavaScript easy125 accepted
83. Plus Plus JavaScript easy122 accepted
25. zero JavaScript medium122 accepted
71. two-way generator JavaScript easy118 accepted
31. Math JavaScript easy116 accepted
90. array keys JavaScript medium110 accepted
55. sparse array JavaScript medium110 accepted
58. inherit getter setter JavaScript easy108 accepted
85. String.raw() JavaScript medium107 accepted
75. meaningless calculation JavaScript easy102 accepted
43. JSON.stringify()JavaScript medium102 accepted
51. method JavaScript medium85 accepted
56. to primitive JavaScript medium78 accepted
35. Implicit Coercion III JavaScript easy75 accepted
80. Proxy I JavaScript easy63 accepted
82. Proxy II JavaScript medium62 accepted
78. RegExp JavaScript RegExp medium50 accepted