Some quizzes for JavaScript quirks.

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1. Promise order JavaScript Promise42 likes
6. Arrow Function JavaScript24 likes
3. Promise then callbacks JavaScript Promise23 likes
4. Promise then callbacks II JavaScript Promise21 likes
5. block scope JavaScript19 likes
2. Promise executor JavaScript Promise18 likes
19. `this`JavaScript15 likes
7. Increment Operator JavaScript14 likes
8. Implicit Coercion I JavaScript12 likes
69. undefined JavaScript10 likes
61. onClick JavaScript8 likes
70. function JavaScript7 likes
46. Implicit Coercion IV JavaScript7 likes
41. `this` III JavaScript7 likes
23. Promise.all()JavaScript7 likes
17. reduce JavaScript7 likes
12. arguments JavaScript7 likes
9. null and undefined JavaScript7 likes
76. const JavaScript6 likes
72. Array length JavaScript6 likes
42. Hoisting V JavaScript6 likes
36. Promise.prototype.finally()JavaScript6 likes
29. Hoisting III JavaScript6 likes
24. Equality & Sameness JavaScript6 likes
73. window name JavaScript5 likes
68. if II JavaScript5 likes
60. postMessage JavaScript5 likes
45. Hoisting VI JavaScript5 likes
32. Hoisting IIII JavaScript5 likes
21. Array I JavaScript5 likes
20. name for Function expression JavaScript5 likes
11. Implicit Coercion II JavaScript5 likes
64. reference type JavaScript4 likes
59. override setter JavaScript4 likes
58. inherit getter setter JavaScript4 likes
48. Prototype JavaScript4 likes
38. Hoisting IV JavaScript4 likes
27. Hoisting I JavaScript4 likes
18. Promise executor II JavaScript4 likes
10. Equal JavaScript4 likes
86. setTimeout III JavaScript3 likes
75. meaningless calculation JavaScript3 likes
71. two-way generator JavaScript3 likes
67. if JavaScript3 likes
62. MessageChannel JavaScript3 likes
57. non-writable JavaScript3 likes
54. setTimeout(0ms)JavaScript3 likes
52. requestAnimationFrame JavaScript3 likes
51. method JavaScript3 likes
50. async await JavaScript3 likes
47. Promise Order II JavaScript3 likes
39. var JavaScript3 likes
34. precedence JavaScript3 likes
33. `this` II JavaScript3 likes
30. Equal II JavaScript3 likes
28. Hoisting II JavaScript3 likes
14. Addition vs Unary Plus JavaScript3 likes
13. Operator precedence JavaScript3 likes
89. let JavaScript2 likes
77. parseInt 2 JavaScript2 likes
66. comma JavaScript2 likes
63. in JavaScript2 likes
56. to primitive JavaScript2 likes
55. sparse array JavaScript2 likes
49. `this` IV JavaScript2 likes
44. Function call JavaScript2 likes
43. JSON.stringify()JavaScript2 likes
26. true or false JavaScript2 likes
25. zero JavaScript2 likes
22. min max JavaScript2 likes
16. parseInt JavaScript2 likes
15. instanceOf JavaScript2 likes
88. try...catch JavaScript1 likes
87. instanceOf 2 JavaScript1 likes
84. Array.prototype.sort()JavaScript1 likes
83. Plus Plus JavaScript1 likes
82. Proxy II JavaScript1 likes
81. setTimeout II JavaScript1 likes
80. Proxy I JavaScript1 likes
79. Equal III JavaScript1 likes
78. RegExp JavaScript RegExp1 likes
74. Typed Array length JavaScript1 likes
65. Function name JavaScript1 likes
53. Prototype 2 JavaScript1 likes
40. RegExp.prototype.test JavaScript1 likes
37. push unshift JavaScript1 likes
35. Implicit Coercion III JavaScript1 likes
31. Math JavaScript1 likes
90. array keys JavaScript
85. String.raw() JavaScript