asm.js

An extraordinarily optimizable, low-level subset of JavaScript, intended to be a compile target from languages like C++.

Spec	http://asmjs.org/spec/latest/
Status	Other

IE	Edge	Firefox	Chrome	Safari	Opera
			103 ⁽¹⁾
		100	102 ⁽¹⁾
		99	101 ⁽¹⁾	TP
11	99 ⁽¹⁾	98	100 ⁽¹⁾	15.4	83 ⁽¹⁾
10	98 ⁽¹⁾	97	99 ⁽¹⁾	15.2-15.3	82 ⁽¹⁾
9	97 ⁽¹⁾	96	98 ⁽¹⁾	15.1	81 ⁽¹⁾
8	96 ⁽¹⁾	95	97 ⁽¹⁾	15	80 ⁽¹⁾
Show all
7	95 ⁽¹⁾	94	96 ⁽¹⁾	14.1	79 ⁽¹⁾
6	94 ⁽¹⁾	93	95 ⁽¹⁾	14	78 ⁽¹⁾
5.5	93 ⁽¹⁾	92	94 ⁽¹⁾	13.1	77 ⁽¹⁾
	92 ⁽¹⁾	91	93 ⁽¹⁾	13	76 ⁽¹⁾
	91 ⁽¹⁾	90	92 ⁽¹⁾	12.1	75 ⁽¹⁾
	90 ⁽¹⁾	89	91 ⁽¹⁾	12	74 ⁽¹⁾
	89 ⁽¹⁾	88	90 ⁽¹⁾	11.1	73 ⁽¹⁾
	88 ⁽¹⁾	87	89 ⁽¹⁾	11	72 ⁽¹⁾
	87 ⁽¹⁾	86	88 ⁽¹⁾	10.1	71 ⁽¹⁾
	86 ⁽¹⁾	85	87 ⁽¹⁾	10	70 ⁽¹⁾
	85 ⁽¹⁾	84	86 ⁽¹⁾	9.1	69 ⁽¹⁾
	84 ⁽¹⁾	83	85 ⁽¹⁾	9	68 ⁽¹⁾
	83 ⁽¹⁾	82	84 ⁽¹⁾	8	67 ⁽¹⁾
	81 ⁽¹⁾	81	83 ⁽¹⁾	7.1	66 ⁽¹⁾
	80 ⁽¹⁾	80	81 ⁽¹⁾	7	65 ⁽¹⁾
	79 ⁽¹⁾	79	80 ⁽¹⁾	6.1	64 ⁽¹⁾
	18	78	79 ⁽¹⁾	6	63 ⁽¹⁾
	17	77	78 ⁽¹⁾	5.1	62 ⁽¹⁾
	16	76	77 ⁽¹⁾	5	60 ⁽¹⁾
	15	75	76 ⁽¹⁾	4	58 ⁽¹⁾
	14	74	75 ⁽¹⁾	3.2	57 ⁽¹⁾
	13	73	74 ⁽¹⁾	3.1	56 ⁽¹⁾
	12 ⁽²⁾	72	73 ⁽¹⁾		55 ⁽¹⁾
		71	72 ⁽¹⁾		54 ⁽¹⁾
		70	71 ⁽¹⁾		53 ⁽¹⁾
		69	70 ⁽¹⁾		52 ⁽¹⁾
		68	69 ⁽¹⁾		51 ⁽¹⁾
		67	68 ⁽¹⁾		50 ⁽¹⁾
		66	67 ⁽¹⁾		49 ⁽¹⁾
		65	66 ⁽¹⁾		48 ⁽¹⁾
		64	65 ⁽¹⁾		47 ⁽¹⁾
		63	64 ⁽¹⁾		46 ⁽¹⁾
		62	63 ⁽¹⁾		45 ⁽¹⁾
		61	62 ⁽¹⁾		44 ⁽¹⁾
		60	61 ⁽¹⁾		43 ⁽¹⁾
		59	60 ⁽¹⁾		42 ⁽¹⁾
		58	59 ⁽¹⁾		41 ⁽¹⁾
		57	58 ⁽¹⁾		40 ⁽¹⁾
		56	57 ⁽¹⁾		39 ⁽¹⁾
		55	56 ⁽¹⁾		38 ⁽¹⁾
		54	55 ⁽¹⁾		37 ⁽¹⁾
		53	54 ⁽¹⁾		36 ⁽¹⁾
		52	53 ⁽¹⁾		35 ⁽¹⁾
		51	52 ⁽¹⁾		34 ⁽¹⁾
		50	51 ⁽¹⁾		33 ⁽¹⁾
		49	50 ⁽¹⁾		32 ⁽¹⁾
		48	49 ⁽¹⁾		31 ⁽¹⁾
		47	48 ⁽¹⁾		30 ⁽¹⁾
		46	47 ⁽¹⁾		29 ⁽¹⁾
		45	46 ⁽¹⁾		28 ⁽¹⁾
		44	45 ⁽¹⁾		27 ⁽¹⁾
		43	44 ⁽¹⁾		26 ⁽¹⁾
		42	43 ⁽¹⁾		25 ⁽¹⁾
		41	42 ⁽¹⁾		24 ⁽¹⁾
		40	41 ⁽¹⁾		23 ⁽¹⁾
		39	40 ⁽¹⁾		22 ⁽¹⁾
		38	39 ⁽¹⁾		21 ⁽¹⁾
		37	38 ⁽¹⁾		20 ⁽¹⁾
		36	37 ⁽¹⁾		19 ⁽¹⁾
		35	36 ⁽¹⁾		18 ⁽¹⁾
		34	35 ⁽¹⁾		17 ⁽¹⁾
		33	34 ⁽¹⁾		16 ⁽¹⁾
		32	33 ⁽¹⁾		15 ⁽¹⁾
		31	32 ⁽¹⁾		12.1
		30	31 ⁽¹⁾		12
		29	30 ⁽¹⁾		11.6
		28	29 ⁽¹⁾		11.5
		27	28 ⁽¹⁾		11.1
		26	27		11
		25	26		10.6
		24	25		10.5
		23	24		10.0-10.1
		22	23		9.5-9.6
		21	22		9
		20	21
		19	20
		18	19
		17	18
		16	17
		15	16
		14	15
		13	14
		12	13
		11	12
		10	11
		9	10
		8	9
		7	8
		6	7
		5	6
		4	5
		3.6	4
		3.5
		3
		2

Safari on iOS	Opera Mini	Android Browser	Blackberry Browser	Opera Mobile	Android Chrome	Android Firefox	IE Mobile	Android UC Browser	Samsung Internet	QQ Browser	Baidu Browser	KaiOS Browser
15.4	all	99 ⁽¹⁾	10	64 ⁽¹⁾	100 ⁽¹⁾	98	11	12.12	16.0 ⁽¹⁾	10.4 ⁽¹⁾	7.12 ⁽¹⁾	2.5
15.2-15.3		4.4.3-4.4.4	7	12.1			10		15.0 ⁽¹⁾
15.0-15.1		4.4		12					14.0 ⁽¹⁾
14.5-14.8		4.2-4.3		11.5					13.0 ⁽¹⁾
Show all
14.0-14.4		4.1		11.1					12.0 ⁽¹⁾
13.4-13.7		4		11					11.1-11.2 ⁽¹⁾
13.3		3		10					10.1 ⁽¹⁾
13.2		2.3							9.2 ⁽¹⁾
13.0-13.1		2.2							8.2 ⁽¹⁾
12.2-12.5		2.1							7.2-7.4 ⁽¹⁾
12.0-12.1									6.2-6.4 ⁽¹⁾
11.3-11.4									5.0-5.4 ⁽¹⁾
11.0-11.2									4
10.3
10.0-10.2
9.3
9.0-9.2
8.1-8.4
8
7.0-7.1
6.0-6.1
5.0-5.1
4.2-4.3
4.0-4.1
3.2

Notes

Chrome does not support Ahead-Of-Time compilation but performance doubled in Chrome 28: https://en.wikipedia.org/wiki/Asm.js#Implementations
Supported in MS Edge under the "Enable experimental JavaScript features" flag.

Resources

Data by caniuse.com
Licensed under the Creative Commons Attribution License v4.0.
https://caniuse.com/asmjs

Name	Support Tables
Version
Badge
Last Updated	2022-04-11T17:49:08Z