Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise1247 tried
69. function JavaScript1157 tried
67. if II JavaScript747 tried
3. Promise then callbacks JavaScript Promise728 tried
12. arguments JavaScript558 tried
6. Arrow Function JavaScript554 tried
5. block scope JavaScript546 tried
4. Promise then callbacks II JavaScript Promise532 tried
2. Promise executor JavaScript Promise522 tried
66. if JavaScript499 tried
8. Implicit Coercion I JavaScript440 tried
7. Increment Operator JavaScript425 tried
61. onClick JavaScript423 tried
27. Hoisting I JavaScript365 tried
68. undefined JavaScript354 tried
9. null and undefined JavaScript353 tried
17. reduce JavaScript344 tried
10. Equal JavaScript326 tried
42. Hoisting V JavaScript324 tried
65. Function name JavaScript311 tried
38. Hoisting IV JavaScript308 tried
63. in JavaScript306 tried
54. setTimeout(0ms)JavaScript294 tried
32. Hoisting IIII JavaScript286 tried
29. Hoisting III JavaScript268 tried
23. Promise.all()JavaScript263 tried
64. reference type JavaScript262 tried
28. Hoisting II JavaScript239 tried
20. name for Function expression JavaScript239 tried
55. sparse array JavaScript235 tried
39. var JavaScript230 tried
41. `this` III JavaScript226 tried
21. Array I JavaScript224 tried
11. Implicit Coercion II JavaScript222 tried
50. async await JavaScript204 tried
62. MessageChannel JavaScript201 tried
43. JSON.stringify()JavaScript188 tried
33. `this` II JavaScript167 tried
37. push unshift JavaScript164 tried
36. Promise.prototype.finally()JavaScript163 tried
19. `this`JavaScript158 tried
45. Hoisting VI JavaScript157 tried
22. min max JavaScript149 tried
60. postMessage JavaScript147 tried
13. Operator precedence JavaScript147 tried
14. Addition vs Unary Plus JavaScript141 tried
16. parseInt JavaScript135 tried
44. Function call JavaScript128 tried
72. window name JavaScript126 tried
26. true or false JavaScript126 tried
18. Promise executor II JavaScript126 tried
59. override setter JavaScript120 tried
15. instanceOf JavaScript119 tried
46. Implicit Coercion IV JavaScript113 tried
53. Prototype 2 JavaScript112 tried
49. `this` IV JavaScript112 tried
25. zero JavaScript110 tried
51. method JavaScript107 tried
24. Equality & Sameness JavaScript106 tried
48. Prototype JavaScript105 tried
47. Promise Order II JavaScript105 tried
57. non-writable JavaScript95 tried
58. inherit getter setter JavaScript85 tried
52. requestAnimationFrame JavaScript80 tried
56. to primitive JavaScript75 tried
34. precedence JavaScript74 tried
73. Typed Array length JavaScript73 tried
71. Array length JavaScript67 tried
30. Equal II JavaScript65 tried
40. RegExp.prototype.test JavaScript61 tried
31. Math JavaScript57 tried
35. Implicit Coercion III JavaScript54 tried
70. two-way generator JavaScript34 tried
74. meaningless calculation JavaScript24 tried