**

20173

** Math.pow() BigInt

console.log(3 ** 4);
// Expected output: 81

console.log(10 ** -2);
// Expected output: 0.01

console.log(2 ** (3 ** 2));
// Expected output: 512

console.log((2 ** 3) ** 2);
// Expected output: 64

x ** y

a ** b ** c a ** (b ** c)

PHPPython ** + - Bash **

JavaScript +/-/~/!/delete/void/typeof

-2 ** 2 Bash 4 Python -4 JavaScript -(2 ** 2)

^ JavaScript

NaN ** 0 Math.pow(NaN, 0) NaN NaN 1base 1 exponent Infinity NaN IEEE 754 IEEE 754 1 JavaScript NaN

2 ** 3; // 8
3 ** 2; // 9
3 ** 2.5; // 15.588457268119896
10 ** -1; // 0.1
NaN ** 2; // NaN
NaN ** 0; // 1
1 ** Infinity; // NaN

2 ** 3 ** 2; // 512
2 ** (3 ** 2); // 512
(2 ** 3) ** 2; // 64

-(2 ** 2); // -4

(-2) ** 2; // 4


ECMAScript 2027 LanguageSpecification # sec-exp-operator

MDN

2025716 MDN

GitHub

JavaScript
JavaScript
1. +
2. +=
3. =
4. async function
5. async function*
6. await
7. &
8. &=
9. ~
10. |
11. |=
12. ^
13. (^=)
15. ,
17. --
18. delete
20. /
21. /=
22. ==
23. **
24. **=
26. function*
27. >
28. >=
30. import.meta
  1. import.meta.resolve()
31. import()
32. in
33. ++
34. !=
35. instanceof
36. (<<)
37. <<=
38. <
39. <=
40. &&
41. &&=
42. !
43. ||
44. ||=
45. *
46. *=
47. new
48. new.target
49. null
50. ??=
51. ??
54. ?.
56. %
57. %=
58. >>
59. >>=
60. ...
61. ===
62. !==
63. -
64. -=
65. super
66. this
67. typeof
68. -
69. +
70. >>>
71. >>>=
72. void
73. yield
74. yield*