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中
刷题练习
发现
中
JavaScript 小测验
测试你对JavaScript这一门语言本身的掌握情况。
排序
难度
解答状态
排序: 最多被尝试
难度: 容易
1. Promise order
JavaScript
Promise
容易
15300 tried
3. Promise then callbacks
JavaScript
Promise
容易
7969 tried
4. Promise then callbacks II
JavaScript
Promise
容易
7282 tried
2. Promise executor
JavaScript
Promise
容易
7130 tried
5. scope
JavaScript
容易
6738 tried
8. Implicit Coercion I
JavaScript
容易
5604 tried
7. Increment Operator
JavaScript
容易
5340 tried
10. Equal
JavaScript
容易
3764 tried
97. `this` V
JavaScript
容易
3058 tried
93. string
JavaScript
容易
3024 tried
70. function
JavaScript
容易
2633 tried
27. Hoisting I
JavaScript
容易
2628 tried
11. Implicit Coercion II
JavaScript
容易
2585 tried
19. `this`
JavaScript
容易
2301 tried
29. Hoisting III
JavaScript
容易
2147 tried
67. if
JavaScript
容易
2044 tried
14. Addition vs Unary Plus
JavaScript
容易
1870 tried
13. Operator precedence
JavaScript
容易
1821 tried
86. setTimeout III
JavaScript
容易
1778 tried
28. Hoisting II
JavaScript
容易
1772 tried
120. try..catch..finally
JavaScript
容易
1756 tried
117. `this` VII
JavaScript
容易
1737 tried
89. let
JavaScript
容易
1702 tried
69. undefined
JavaScript
容易
1693 tried
41. `this` III
JavaScript
容易
1676 tried
15. instanceOf
JavaScript
容易
1651 tried
23. Promise.all()
JavaScript
容易
1649 tried
38. Hoisting IV
JavaScript
容易
1619 tried
61. onClick
JavaScript
容易
1613 tried
16. parseInt
JavaScript
容易
1591 tried
88. try...catch
JavaScript
容易
1529 tried
96. comparison
JavaScript
容易
1501 tried
81. setTimeout II
JavaScript
容易
1490 tried
32. Hoisting IIII
JavaScript
容易
1485 tried
47. Promise Order II
JavaScript
容易
1468 tried
50. async await
JavaScript
容易
1402 tried
36. Promise.prototype.finally()
JavaScript
容易
1392 tried
54. setTimeout(0ms)
JavaScript
容易
1386 tried
72. Array length
JavaScript
容易
1379 tried
39. var
JavaScript
容易
1366 tried
18. Promise executor II
JavaScript
容易
1364 tried
94. emoji
JavaScript
容易
1361 tried
114. constructor
JavaScript
容易
1356 tried
92. NaN
JavaScript
容易
1327 tried
100. `var` vs `let`
JavaScript
容易
1298 tried
95. number format
JavaScript
容易
1293 tried
116. strict
JavaScript
容易
1277 tried
33. `this` II
JavaScript
容易
1218 tried
22. min max
JavaScript
容易
1207 tried
65. Function name
JavaScript
容易
1198 tried
49. `this` IV
JavaScript
容易
1145 tried
45. Hoisting VI
JavaScript
容易
1139 tried
123. return in Generator 2
JavaScript
容易
1068 tried
25. zero
JavaScript
容易
1064 tried
91. largest Array index
JavaScript
容易
1030 tried
124. comma 2
JavaScript
容易
1025 tried
99. closure
JavaScript
容易
1017 tried
37. push unshift
JavaScript
容易
1015 tried
63. in
JavaScript
容易
1005 tried
26. true or false
JavaScript
容易
992 tried
87. instanceOf 2
JavaScript
容易
978 tried
111. falsy
JavaScript
容易
959 tried
79. Equal III
JavaScript
容易
953 tried
44. Function call
JavaScript
容易
951 tried
24. Equality & Sameness
JavaScript
容易
951 tried
64. reference type
JavaScript
容易
945 tried
109. isNaN()
JavaScript
容易
935 tried
98. Promise executor IV
Promise
容易
935 tried
103. Promise Order III
JavaScript
容易
931 tried
48. Prototype
JavaScript
容易
911 tried
46. Implicit Coercion IV
JavaScript
容易
907 tried
105. typeof
JavaScript
容易
893 tried
107. `this` VI
JavaScript
容易
892 tried
115. parseInt II
JavaScript
容易
889 tried
122. Iterable
JavaScript
容易
875 tried
60. postMessage
JavaScript
容易
865 tried
30. Equal II
JavaScript
容易
836 tried
108. property key
JavaScript
容易
824 tried
106. Promise.all() II
JavaScript
容易
817 tried
83. Plus Plus
JavaScript
容易
813 tried
102. Arrow Function II
JavaScript
容易
806 tried
53. Prototype 2
JavaScript
容易
788 tried
74. Typed Array length
JavaScript
容易
769 tried
77. parseInt 2
JavaScript
容易
755 tried
118. structuredClone()
JavaScript
容易
751 tried
62. MessageChannel
JavaScript
容易
736 tried
34. precedence
JavaScript
容易
669 tried
52. requestAnimationFrame
JavaScript
容易
667 tried
112. Symbol
JavaScript
容易
636 tried
56. to primitive
JavaScript
容易
620 tried
31. Math
JavaScript
容易
618 tried
35. Implicit Coercion III
JavaScript
容易
579 tried
101. Equal IV
JavaScript
容易
573 tried
66. comma
JavaScript
容易
567 tried
110. yield
JavaScript
容易
566 tried
130. async
JavaScript
容易
556 tried
59. override setter
JavaScript
容易
542 tried
57. non-writable
JavaScript
容易
540 tried
104. Inheritance
JavaScript
容易
537 tried
82. Proxy II
JavaScript
容易
515 tried
80. Proxy I
JavaScript
容易
494 tried
40. RegExp.prototype.test
JavaScript
容易
491 tried
58. inherit getter setter
JavaScript
容易
463 tried
71. two-way generator
JavaScript
容易
406 tried
75. meaningless calculation
JavaScript
容易
404 tried