Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise437 accepted
2. Promise executor JavaScript Promise422 accepted
69. function JavaScript294 accepted
3. Promise then callbacks JavaScript Promise284 accepted
68. undefined JavaScript240 accepted
5. block scope JavaScript237 accepted
7. Increment Operator JavaScript189 accepted
4. Promise then callbacks II JavaScript Promise171 accepted
61. onClick JavaScript158 accepted
63. in JavaScript157 accepted
6. Arrow Function JavaScript133 accepted
8. Implicit Coercion I JavaScript132 accepted
39. var JavaScript126 accepted
66. if JavaScript120 accepted
27. Hoisting I JavaScript118 accepted
67. if II JavaScript117 accepted
65. Function name JavaScript111 accepted
10. Equal JavaScript110 accepted
12. arguments JavaScript100 accepted
29. Hoisting III JavaScript92 accepted
28. Hoisting II JavaScript91 accepted
9. null and undefined JavaScript91 accepted
37. push unshift JavaScript90 accepted
45. Hoisting VI JavaScript83 accepted
41. `this` III JavaScript77 accepted
60. postMessage JavaScript76 accepted
62. MessageChannel JavaScript74 accepted
44. Function call JavaScript74 accepted
13. Operator precedence JavaScript74 accepted
38. Hoisting IV JavaScript72 accepted
23. Promise.all()JavaScript70 accepted
17. reduce JavaScript69 accepted
64. reference type JavaScript68 accepted
54. setTimeout(0ms)JavaScript65 accepted
46. Implicit Coercion IV JavaScript61 accepted
50. async await JavaScript59 accepted
33. `this` II JavaScript59 accepted
59. override setter JavaScript58 accepted
53. Prototype 2 JavaScript56 accepted
22. min max JavaScript52 accepted
19. `this`JavaScript52 accepted
32. Hoisting IIII JavaScript50 accepted
11. Implicit Coercion II JavaScript49 accepted
15. instanceOf JavaScript48 accepted
18. Promise executor II JavaScript46 accepted
48. Prototype JavaScript43 accepted
24. Equality & Sameness JavaScript43 accepted
26. true or false JavaScript42 accepted
57. non-writable JavaScript40 accepted
14. Addition vs Unary Plus JavaScript40 accepted
49. `this` IV JavaScript39 accepted
16. parseInt JavaScript39 accepted
47. Promise Order II JavaScript38 accepted
36. Promise.prototype.finally()JavaScript38 accepted
58. inherit getter setter JavaScript37 accepted
52. requestAnimationFrame JavaScript34 accepted
42. Hoisting V JavaScript34 accepted
40. RegExp.prototype.test JavaScript34 accepted
20. name for Function expression JavaScript34 accepted
34. precedence JavaScript32 accepted
21. Array I JavaScript32 accepted
55. sparse array JavaScript26 accepted
30. Equal II JavaScript26 accepted
25. zero JavaScript26 accepted
31. Math JavaScript23 accepted
43. JSON.stringify()JavaScript20 accepted
51. method JavaScript19 accepted
56. to primitive JavaScript16 accepted
35. Implicit Coercion III JavaScript15 accepted