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JavaScript 小测验
测试你对JavaScript这一门语言本身的掌握情况。
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排序: 最多被尝试
tag: Promise
tag: JavaScript
1. Promise order
JavaScript
Promise
容易
15561 tried
3. Promise then callbacks
JavaScript
Promise
容易
8130 tried
4. Promise then callbacks II
JavaScript
Promise
容易
7449 tried
2. Promise executor
JavaScript
Promise
容易
7261 tried
5. scope
JavaScript
容易
6859 tried
6. Arrow Function
JavaScript
中等难度
5940 tried
12. arguments
JavaScript
中等难度
5750 tried
76. const
JavaScript
有点难?
5743 tried
8. Implicit Coercion I
JavaScript
容易
5716 tried
7. Increment Operator
JavaScript
容易
5444 tried
9. null and undefined
JavaScript
中等难度
3878 tried
10. Equal
JavaScript
容易
3848 tried
97. `this` V
JavaScript
容易
3080 tried
93. string
JavaScript
容易
3039 tried
27. Hoisting I
JavaScript
容易
2686 tried
11. Implicit Coercion II
JavaScript
容易
2679 tried
70. function
JavaScript
容易
2662 tried
17. reduce
JavaScript
中等难度
2594 tried
19. `this`
JavaScript
容易
2342 tried
29. Hoisting III
JavaScript
容易
2217 tried
68. if II
JavaScript
中等难度
2097 tried
21. Array I
JavaScript
中等难度
2078 tried
67. if
JavaScript
容易
2067 tried
20. name for Function expression
JavaScript
中等难度
1930 tried
14. Addition vs Unary Plus
JavaScript
容易
1904 tried
13. Operator precedence
JavaScript
容易
1864 tried
113. push
JavaScript
中等难度
1848 tried
120. try..catch..finally
JavaScript
容易
1824 tried
28. Hoisting II
JavaScript
容易
1815 tried
86. setTimeout III
JavaScript
容易
1797 tried
117. `this` VII
JavaScript
容易
1775 tried
89. let
JavaScript
容易
1724 tried
69. undefined
JavaScript
容易
1717 tried
41. `this` III
JavaScript
容易
1706 tried
84. Array.prototype.sort()
JavaScript
中等难度
1687 tried
15. instanceOf
JavaScript
容易
1685 tried
23. Promise.all()
JavaScript
容易
1678 tried
38. Hoisting IV
JavaScript
容易
1644 tried
16. parseInt
JavaScript
容易
1639 tried
61. onClick
JavaScript
容易
1621 tried
88. try...catch
JavaScript
容易
1539 tried
42. Hoisting V
JavaScript
中等难度
1518 tried
96. comparison
JavaScript
容易
1514 tried
32. Hoisting IIII
JavaScript
容易
1511 tried
81. setTimeout II
JavaScript
容易
1507 tried
47. Promise Order II
JavaScript
容易
1494 tried
50. async await
JavaScript
容易
1440 tried
36. Promise.prototype.finally()
JavaScript
容易
1420 tried
54. setTimeout(0ms)
JavaScript
容易
1404 tried
18. Promise executor II
JavaScript
容易
1396 tried
72. Array length
JavaScript
容易
1395 tried
39. var
JavaScript
容易
1391 tried
114. constructor
JavaScript
容易
1377 tried
94. emoji
JavaScript
容易
1366 tried
92. NaN
JavaScript
容易
1335 tried
100. `var` vs `let`
JavaScript
容易
1329 tried
95. number format
JavaScript
容易
1301 tried
116. strict
JavaScript
容易
1293 tried
73. window name
JavaScript
中等难度
1241 tried
33. `this` II
JavaScript
容易
1233 tried
43. JSON.stringify()
JavaScript
中等难度
1231 tried
22. min max
JavaScript
容易
1229 tried
65. Function name
JavaScript
容易
1215 tried
49. `this` IV
JavaScript
容易
1163 tried
55. sparse array
JavaScript
中等难度
1159 tried
45. Hoisting VI
JavaScript
容易
1157 tried
25. zero
JavaScript
容易
1087 tried
123. return in Generator 2
JavaScript
容易
1071 tried
124. comma 2
JavaScript
容易
1065 tried
99. closure
JavaScript
容易
1050 tried
37. push unshift
JavaScript
容易
1037 tried
91. largest Array index
JavaScript
容易
1033 tried
63. in
JavaScript
容易
1014 tried
26. true or false
JavaScript
容易
1001 tried
90. array keys
JavaScript
中等难度
997 tried
51. method
JavaScript
中等难度
991 tried
111. falsy
JavaScript
容易
988 tried
87. instanceOf 2
JavaScript
容易
986 tried
79. Equal III
JavaScript
容易
976 tried
44. Function call
JavaScript
容易
972 tried
24. Equality & Sameness
JavaScript
容易
965 tried
103. Promise Order III
JavaScript
容易
959 tried
109. isNaN()
JavaScript
容易
956 tried
64. reference type
JavaScript
容易
950 tried
98. Promise executor IV
Promise
容易
949 tried
46. Implicit Coercion IV
JavaScript
容易
922 tried
48. Prototype
JavaScript
容易
919 tried
107. `this` VI
JavaScript
容易
918 tried
105. typeof
JavaScript
容易
918 tried
115. parseInt II
JavaScript
容易
901 tried
122. Iterable
JavaScript
容易
899 tried
60. postMessage
JavaScript
容易
874 tried
30. Equal II
JavaScript
容易
847 tried
106. Promise.all() II
JavaScript
容易
842 tried
108. property key
JavaScript
容易
829 tried
83. Plus Plus
JavaScript
容易
825 tried
102. Arrow Function II
JavaScript
容易
824 tried
126. Object.keys()
JavaScript
中等难度
815 tried
53. Prototype 2
JavaScript
容易
794 tried
74. Typed Array length
JavaScript
容易
779 tried
118. structuredClone()
JavaScript
容易
763 tried
77. parseInt 2
JavaScript
容易
760 tried
62. MessageChannel
JavaScript
容易
744 tried
85. String.raw()
JavaScript
中等难度
689 tried
52. requestAnimationFrame
JavaScript
容易
687 tried
34. precedence
JavaScript
容易
679 tried
130. async
JavaScript
容易
657 tried
121. Generator return()
JavaScript
中等难度
656 tried
78. RegExp
JavaScript
RegExp
中等难度
646 tried
112. Symbol
JavaScript
容易
645 tried
31. Math
JavaScript
容易
629 tried
56. to primitive
JavaScript
容易
627 tried
35. Implicit Coercion III
JavaScript
容易
595 tried
101. Equal IV
JavaScript
容易
583 tried
66. comma
JavaScript
容易
577 tried
110. yield
JavaScript
容易
571 tried
59. override setter
JavaScript
容易
557 tried
104. Inheritance
JavaScript
容易
550 tried
57. non-writable
JavaScript
容易
549 tried
82. Proxy II
JavaScript
容易
518 tried
119. return in Generator
JavaScript
中等难度
515 tried
80. Proxy I
JavaScript
容易
504 tried
40. RegExp.prototype.test
JavaScript
容易
499 tried
58. inherit getter setter
JavaScript
容易
469 tried
125. try...catch...finally 2
JavaScript
中等难度
451 tried
71. two-way generator
JavaScript
容易
418 tried
75. meaningless calculation
JavaScript
容易
406 tried
128. setTimeout IV
JavaScript
中等难度
329 tried
131. return await
JavaScript
中等难度
278 tried
127. JSON.stringify() II
JavaScript
中等难度
251 tried
129. Function II
JavaScript
没多少人挑战
73 tried