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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
难度: 容易
tag: JavaScript
tag: RegExp
1. Promise order
JavaScript
Promise
容易
15644 tried
3. Promise then callbacks
JavaScript
Promise
容易
8168 tried
4. Promise then callbacks II
JavaScript
Promise
容易
7499 tried
2. Promise executor
JavaScript
Promise
容易
7308 tried
5. scope
JavaScript
容易
6885 tried
8. Implicit Coercion I
JavaScript
容易
5746 tried
7. Increment Operator
JavaScript
容易
5475 tried
10. Equal
JavaScript
容易
3862 tried
97. `this` V
JavaScript
容易
3095 tried
93. string
JavaScript
容易
3059 tried
27. Hoisting I
JavaScript
容易
2697 tried
11. Implicit Coercion II
JavaScript
容易
2690 tried
70. function
JavaScript
容易
2666 tried
19. `this`
JavaScript
容易
2356 tried
29. Hoisting III
JavaScript
容易
2234 tried
67. if
JavaScript
容易
2074 tried
14. Addition vs Unary Plus
JavaScript
容易
1918 tried
13. Operator precedence
JavaScript
容易
1874 tried
120. try..catch..finally
JavaScript
容易
1844 tried
28. Hoisting II
JavaScript
容易
1828 tried
86. setTimeout III
JavaScript
容易
1800 tried
117. `this` VII
JavaScript
容易
1796 tried
89. let
JavaScript
容易
1736 tried
69. undefined
JavaScript
容易
1729 tried
41. `this` III
JavaScript
容易
1711 tried
23. Promise.all()
JavaScript
容易
1700 tried
15. instanceOf
JavaScript
容易
1696 tried
16. parseInt
JavaScript
容易
1650 tried
38. Hoisting IV
JavaScript
容易
1649 tried
61. onClick
JavaScript
容易
1628 tried
88. try...catch
JavaScript
容易
1553 tried
96. comparison
JavaScript
容易
1521 tried
32. Hoisting IIII
JavaScript
容易
1518 tried
81. setTimeout II
JavaScript
容易
1509 tried
47. Promise Order II
JavaScript
容易
1497 tried
50. async await
JavaScript
容易
1457 tried
36. Promise.prototype.finally()
JavaScript
容易
1425 tried
54. setTimeout(0ms)
JavaScript
容易
1408 tried
18. Promise executor II
JavaScript
容易
1408 tried
39. var
JavaScript
容易
1400 tried
72. Array length
JavaScript
容易
1399 tried
114. constructor
JavaScript
容易
1396 tried
94. emoji
JavaScript
容易
1376 tried
100. `var` vs `let`
JavaScript
容易
1350 tried
92. NaN
JavaScript
容易
1347 tried
95. number format
JavaScript
容易
1303 tried
116. strict
JavaScript
容易
1300 tried
33. `this` II
JavaScript
容易
1238 tried
22. min max
JavaScript
容易
1238 tried
65. Function name
JavaScript
容易
1223 tried
49. `this` IV
JavaScript
容易
1167 tried
45. Hoisting VI
JavaScript
容易
1158 tried
25. zero
JavaScript
容易
1106 tried
124. comma 2
JavaScript
容易
1079 tried
123. return in Generator 2
JavaScript
容易
1079 tried
99. closure
JavaScript
容易
1066 tried
91. largest Array index
JavaScript
容易
1038 tried
37. push unshift
JavaScript
容易
1038 tried
63. in
JavaScript
容易
1019 tried
26. true or false
JavaScript
容易
1014 tried
111. falsy
JavaScript
容易
1000 tried
87. instanceOf 2
JavaScript
容易
995 tried
79. Equal III
JavaScript
容易
981 tried
24. Equality & Sameness
JavaScript
容易
976 tried
44. Function call
JavaScript
容易
974 tried
103. Promise Order III
JavaScript
容易
967 tried
109. isNaN()
JavaScript
容易
966 tried
64. reference type
JavaScript
容易
953 tried
105. typeof
JavaScript
容易
928 tried
46. Implicit Coercion IV
JavaScript
容易
924 tried
48. Prototype
JavaScript
容易
923 tried
107. `this` VI
JavaScript
容易
922 tried
122. Iterable
JavaScript
容易
911 tried
115. parseInt II
JavaScript
容易
907 tried
60. postMessage
JavaScript
容易
886 tried
30. Equal II
JavaScript
容易
858 tried
106. Promise.all() II
JavaScript
容易
848 tried
108. property key
JavaScript
容易
841 tried
102. Arrow Function II
JavaScript
容易
829 tried
83. Plus Plus
JavaScript
容易
825 tried
53. Prototype 2
JavaScript
容易
796 tried
74. Typed Array length
JavaScript
容易
779 tried
118. structuredClone()
JavaScript
容易
769 tried
77. parseInt 2
JavaScript
容易
764 tried
62. MessageChannel
JavaScript
容易
748 tried
130. async
JavaScript
容易
702 tried
52. requestAnimationFrame
JavaScript
容易
688 tried
34. precedence
JavaScript
容易
680 tried
112. Symbol
JavaScript
容易
652 tried
31. Math
JavaScript
容易
638 tried
56. to primitive
JavaScript
容易
636 tried
35. Implicit Coercion III
JavaScript
容易
596 tried
101. Equal IV
JavaScript
容易
589 tried
66. comma
JavaScript
容易
579 tried
110. yield
JavaScript
容易
577 tried
59. override setter
JavaScript
容易
559 tried
104. Inheritance
JavaScript
容易
554 tried
57. non-writable
JavaScript
容易
554 tried
82. Proxy II
JavaScript
容易
518 tried
80. Proxy I
JavaScript
容易
504 tried
40. RegExp.prototype.test
JavaScript
容易
503 tried
58. inherit getter setter
JavaScript
容易
470 tried
71. two-way generator
JavaScript
容易
420 tried
75. meaningless calculation
JavaScript
容易
406 tried