Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise738 tried
69. function JavaScript471 tried
3. Promise then callbacks JavaScript Promise455 tried
6. Arrow Function JavaScript353 tried
12. arguments JavaScript348 tried
5. block scope JavaScript322 tried
4. Promise then callbacks II JavaScript Promise320 tried
2. Promise executor JavaScript Promise309 tried
7. Increment Operator JavaScript270 tried
8. Implicit Coercion I JavaScript268 tried
27. Hoisting I JavaScript238 tried
67. if II JavaScript237 tried
17. reduce JavaScript230 tried
9. null and undefined JavaScript222 tried
61. onClick JavaScript217 tried
10. Equal JavaScript203 tried
42. Hoisting V JavaScript201 tried
63. in JavaScript199 tried
23. Promise.all()JavaScript190 tried
38. Hoisting IV JavaScript185 tried
41. `this` III JavaScript174 tried
54. setTimeout(0ms)JavaScript160 tried
32. Hoisting IIII JavaScript154 tried
43. JSON.stringify()JavaScript151 tried
11. Implicit Coercion II JavaScript151 tried
55. sparse array JavaScript146 tried
62. MessageChannel JavaScript145 tried
39. var JavaScript145 tried
20. name for Function expression JavaScript139 tried
66. if JavaScript138 tried
29. Hoisting III JavaScript134 tried
21. Array I JavaScript132 tried
28. Hoisting II JavaScript126 tried
33. `this` II JavaScript123 tried
50. async await JavaScript122 tried
68. undefined JavaScript113 tried
65. Function name JavaScript102 tried
37. push unshift JavaScript102 tried
19. `this`JavaScript99 tried
36. Promise.prototype.finally()JavaScript95 tried
22. min max JavaScript92 tried
14. Addition vs Unary Plus JavaScript92 tried
64. reference type JavaScript88 tried
26. true or false JavaScript83 tried
45. Hoisting VI JavaScript81 tried
60. postMessage JavaScript76 tried
13. Operator precedence JavaScript75 tried
16. parseInt JavaScript74 tried
51. method JavaScript72 tried
59. override setter JavaScript71 tried
18. Promise executor II JavaScript70 tried
44. Function call JavaScript69 tried
15. instanceOf JavaScript67 tried
58. inherit getter setter JavaScript64 tried
46. Implicit Coercion IV JavaScript63 tried
24. Equality & Sameness JavaScript63 tried
57. non-writable JavaScript61 tried
48. Prototype JavaScript49 tried
25. zero JavaScript49 tried
47. Promise Order II JavaScript48 tried
34. precedence JavaScript45 tried
53. Prototype 2 JavaScript43 tried
31. Math JavaScript39 tried
49. `this` IV JavaScript38 tried
30. Equal II JavaScript38 tried
52. requestAnimationFrame JavaScript37 tried
35. Implicit Coercion III JavaScript36 tried
40. RegExp.prototype.test JavaScript34 tried
56. to primitive JavaScript27 tried