Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise379 tried
3. Promise then callbacks JavaScript Promise226 tried
12. arguments JavaScript171 tried
5. block scope JavaScript171 tried
6. Arrow Function JavaScript162 tried
2. Promise executor JavaScript Promise139 tried
4. Promise then callbacks II JavaScript Promise138 tried
17. reduce JavaScript136 tried
42. Hoisting V JavaScript126 tried
38. Hoisting IV JavaScript124 tried
27. Hoisting I JavaScript123 tried
23. Promise.all()JavaScript122 tried
7. Increment Operator JavaScript117 tried
41. `this` III JavaScript111 tried
8. Implicit Coercion I JavaScript109 tried
32. Hoisting IIII JavaScript106 tried
9. null and undefined JavaScript103 tried
39. var JavaScript98 tried
43. JSON.stringify()JavaScript89 tried
10. Equal JavaScript88 tried
33. `this` II JavaScript85 tried
37. push unshift JavaScript79 tried
28. Hoisting II JavaScript78 tried
29. Hoisting III JavaScript72 tried
26. true or false JavaScript58 tried
22. min max JavaScript58 tried
20. name for Function expression JavaScript55 tried
21. Array I JavaScript53 tried
36. Promise.prototype.finally()JavaScript51 tried
45. Hoisting VI JavaScript45 tried
44. Function call JavaScript42 tried
19. `this`JavaScript41 tried
18. Promise executor II JavaScript40 tried
50. async await JavaScript39 tried
24. Equality & Sameness JavaScript37 tried
14. Addition vs Unary Plus JavaScript31 tried
34. precedence JavaScript30 tried
46. Implicit Coercion IV JavaScript27 tried
16. parseInt JavaScript26 tried
30. Equal II JavaScript25 tried
11. Implicit Coercion II JavaScript25 tried
40. RegExp.prototype.test JavaScript24 tried
51. method JavaScript22 tried
15. instanceOf JavaScript22 tried
13. Operator precedence JavaScript22 tried
35. Implicit Coercion III JavaScript20 tried
25. zero JavaScript17 tried
55. sparse array JavaScript12 tried
54. setTimeout(0ms)JavaScript11 tried
31. Math JavaScript10 tried
47. Promise Order II JavaScript8 tried
57. non-writable JavaScript7 tried
61. onClick
new
JavaScript4 tried
48. Prototype JavaScript4 tried
59. override setter
new
JavaScript2 tried
58. inherit getter setter
new
JavaScript2 tried
53. Prototype 2 JavaScript2 tried
49. `this` IV JavaScript2 tried
63. in
new
JavaScript1 tried
62. MessageChannel
new
JavaScript1 tried
60. postMessage
new
JavaScript1 tried
52. requestAnimationFrame JavaScript1 tried
56. to primitive JavaScript