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tabindex global attribute

Specifies the focusability of the element and in what order (if any) it should become focused (relative to other elements) when "tabbing" through the document.

Spec	https://html.spec.whatwg.org/multipage/interaction.html#attr-tabindex
Status	WHATWG Living Standard

IE	Edge	Firefox	Chrome	Safari	Opera
			108
		107 ⁽¹⁾	107	TP ⁽²⁾
		106 ⁽¹⁾	106	16.1 ⁽²⁾
11	105	105 ⁽¹⁾	105	16.0 ⁽²⁾	91
10	104	104 ⁽¹⁾	104	15.6 ⁽²⁾	90
9	103	103 ⁽¹⁾	103	15.5 ⁽²⁾	89
8	102	102 ⁽¹⁾	102	15.4 ⁽²⁾	88
Show all
7	101	101 ⁽¹⁾	101	15.2-15.3 ⁽²⁾	87
6	100	100 ⁽¹⁾	100	15.1 ⁽²⁾	86
5.5	99	99 ⁽¹⁾	99	15 ⁽²⁾	85
	98	98 ⁽¹⁾	98	14.1 ⁽²⁾	84
	97	97 ⁽¹⁾	97	14 ⁽²⁾	83
	96	96 ⁽¹⁾	96	13.1 ⁽²⁾	82
	95	95 ⁽¹⁾	95	13 ⁽²⁾	81
	94	94 ⁽¹⁾	94	12.1 ⁽²⁾	80
	93	93 ⁽¹⁾	93	12 ⁽²⁾	79
	92	92 ⁽¹⁾	92	11.1 ⁽²⁾	78
	91	91 ⁽¹⁾	91	11 ⁽²⁾	77
	90	90 ⁽¹⁾	90	10.1 ⁽²⁾	76
	89	89 ⁽¹⁾	89	10 ⁽²⁾	75
	88	88 ⁽¹⁾	88	9.1 ⁽²⁾	74
	87	87 ⁽¹⁾	87	9 ⁽²⁾	73
	86	86 ⁽¹⁾	86	8 ⁽²⁾	72
	85	85 ⁽¹⁾	85	7.1 ⁽²⁾	71
	84	84 ⁽¹⁾	84	7 ⁽²⁾	70
	83	83 ⁽¹⁾	83	6.1 ⁽²⁾	69
	81	82 ⁽¹⁾	81	6 ⁽²⁾	68
	80	81 ⁽¹⁾	80	5.1 ⁽²⁾	67
	79	80 ⁽¹⁾	79	5	66
	18	79 ⁽¹⁾	78	4	65
	17	78 ⁽¹⁾	77	3.2	64
	16	77 ⁽¹⁾	76	3.1	63
	15	76 ⁽¹⁾	75		62
	14	75 ⁽¹⁾	74		60
	13	74 ⁽¹⁾	73		58
	12	73 ⁽¹⁾	72		57
		72 ⁽¹⁾	71		56
		71 ⁽¹⁾	70		55
		70 ⁽¹⁾	69		54
		69 ⁽¹⁾	68		53
		68 ⁽¹⁾	67		52
		67 ⁽¹⁾	66		51
		66 ⁽¹⁾	65		50
		65 ⁽¹⁾	64		49
		64 ⁽¹⁾	63		48
		63 ⁽¹⁾	62		47
		62 ⁽¹⁾	61		46
		61 ⁽¹⁾	60		45
		60 ⁽¹⁾	59		44
		59 ⁽¹⁾	58		43
		58 ⁽¹⁾	57		42
		57 ⁽¹⁾	56		41
		56 ⁽¹⁾	55		40
		55 ⁽¹⁾	54		39
		54 ⁽¹⁾	53		38
		53 ⁽¹⁾	52		37
		52 ⁽¹⁾	51		36
		51 ⁽¹⁾	50		35
		50 ⁽¹⁾	49		34
		49 ⁽¹⁾	48		33
		48 ⁽¹⁾	47		32
		47 ⁽¹⁾	46		31
		46 ⁽¹⁾	45		30
		45 ⁽¹⁾	44		29
		44 ⁽¹⁾	43		28
		43 ⁽¹⁾	42		27
		42 ⁽¹⁾	41		26
		41 ⁽¹⁾	40		25
		40 ⁽¹⁾	39		24
		39 ⁽¹⁾	38		23
		38 ⁽¹⁾	37		22
		37 ⁽¹⁾	36		21
		36 ⁽¹⁾	35		20
		35 ⁽¹⁾	34		19
		34 ⁽¹⁾	33		18
		33 ⁽¹⁾	32		17
		32 ⁽¹⁾	31		16
		31 ⁽¹⁾	30		15
		30 ⁽¹⁾	29		12.1
		29 ⁽¹⁾	28		12
		28 ⁽¹⁾	27		11.6
		27 ⁽¹⁾	26		11.5
		26 ⁽¹⁾	25		11.1
		25 ⁽¹⁾	24		11
		24 ⁽¹⁾	23		10.6
		23 ⁽¹⁾	22		10.5
		22 ⁽¹⁾	21		10.0-10.1
		21 ⁽¹⁾	20		9.5-9.6
		20 ⁽¹⁾	19		9
		19 ⁽¹⁾	18
		18 ⁽¹⁾	17
		17 ⁽¹⁾	16
		16 ⁽¹⁾	15
		15 ⁽¹⁾	14
		14 ⁽¹⁾	13
		13 ⁽¹⁾	12
		12 ⁽¹⁾	11
		11 ⁽¹⁾	10
		10 ⁽¹⁾	9
		9 ⁽¹⁾	8
		8 ⁽¹⁾	7
		7 ⁽¹⁾	6
		6 ⁽¹⁾	5
		5 ⁽¹⁾	4
		4 ⁽¹⁾
		3.6
		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
16.1 ^(2,3)
16.0 ^(2,3)	all	105	10	64	105	104	11	13.4	18.0	13.1	13.18	2.5 ⁽¹⁾
15.6 ^(2,3)		4.4.3-4.4.4	7	12.1			10		17.0
15.5 ^(2,3)		4.4		12					16.0
15.4 ^(2,3)		4.2-4.3		11.5					15.0
Show all
15.2-15.3 ^(2,3)		4.1		11.1					14.0
15.0-15.1 ^(2,3)		4		11					13.0
14.5-14.8 ^(2,3)		3		10					12.0
14.0-14.4 ^(2,3)		2.3							11.1-11.2
13.4-13.7 ^(2,3)		2.2							10.1
13.3 ^(2,3)		2.1							9.2
13.2 ^(2,3)									8.2
13.0-13.1 ^(2,3)									7.2-7.4
12.2-12.5 ^(2,3)									6.2-6.4
12.0-12.1 ^(2,3)									5.0-5.4
11.3-11.4 ^(2,3)									4
11.0-11.2 ^(2,3)
10.3 ^(2,3)
10.0-10.2 ^(2,3)
9.3 ^(2,3)
9.0-9.2 ^(2,3)
8.1-8.4 ^(2,3)
8 ^(2,3)
7.0-7.1 ^(2,3)
6.0-6.1 ^(2,3)
5.0-5.1 ^(2,3)
4.2-4.3 ^(2,3)
4.0-4.1 ^(2,3)
3.2 ^(2,3)

Notes

Mac OS X "Full Keyboard Access" refers to setting Keyboard→Shortcuts→Full Keyboard Access to "All controls" in the System Preferences.

"Unknown" support for mobile browsers is due to lacking a method of tabbing through fields.

On Mac OS X, unless Full Keyboard Access is enabled, <a> elements are not keyboard-focusable, even if they have tabindex="0".
<a> elements are never keyboard-focusable, even if they have tabindex="0". Unless Full Keyboard Access is enabled, then <button>s, radio buttons, and checkboxes are also not keyboard-focusable, even if they have tabindex="0".
Has "previous" and "next" virtual keyboard buttons that follow tabindex order.

Bugs

Edge Bug 4355703 - tabIndex attribute getter returns 0 instead of -1 for elements without explicit tabindex

Resources

MDN Web Docs - tabindex attribute

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