W3cubDocs

IntersectionObserver

API that can be used to understand the visibility and position of DOM elements relative to a containing element or to the top-level viewport. The position is delivered asynchronously and is useful for understanding the visibility of elements and implementing pre-loading and deferred loading of DOM content.

Spec	https://www.w3.org/TR/intersection-observer/
Status	W3C Working Draft

IE	Edge	Firefox	Chrome	Safari	Opera
		147	144 ⁽³⁾
		146	143 ⁽³⁾	TP
		145	142 ⁽³⁾	26.1
11	141 ⁽³⁾	144	141 ⁽³⁾	26.0	122 ⁽³⁾
10	140 ⁽³⁾	143	140 ⁽³⁾	18.5-18.6	121 ⁽³⁾
9	139 ⁽³⁾	142	139 ⁽³⁾	18.4	120 ⁽³⁾
8	138 ⁽³⁾	141	138 ⁽³⁾	18.3	119 ⁽³⁾
Show all
7	137 ⁽³⁾	140	137 ⁽³⁾	18.2	118 ⁽³⁾
6	136 ⁽³⁾	139	136 ⁽³⁾	18.1	117 ⁽³⁾
5.5	135 ⁽³⁾	138	135 ⁽³⁾	18.0	116 ⁽³⁾
	134 ⁽³⁾	137	134 ⁽³⁾	17.6	115 ⁽³⁾
	133 ⁽³⁾	136	133 ⁽³⁾	17.5	114 ⁽³⁾
	132 ⁽³⁾	135	132 ⁽³⁾	17.4	113 ⁽³⁾
	131 ⁽³⁾	134	131 ⁽³⁾	17.3	112 ⁽³⁾
	130 ⁽³⁾	133	130 ⁽³⁾	17.2	111 ⁽³⁾
	129 ⁽³⁾	132	129 ⁽³⁾	17.1	110 ⁽³⁾
	128 ⁽³⁾	131	128 ⁽³⁾	17.0	109 ⁽³⁾
	127 ⁽³⁾	130	127 ⁽³⁾	16.6	108 ⁽³⁾
	126 ⁽³⁾	129	126 ⁽³⁾	16.5	107 ⁽³⁾
	125 ⁽³⁾	128	125 ⁽³⁾	16.4	106 ⁽³⁾
	124 ⁽³⁾	127	124 ⁽³⁾	16.3	105 ⁽³⁾
	123 ⁽³⁾	126	123 ⁽³⁾	16.2	104 ⁽³⁾
	122 ⁽³⁾	125	122 ⁽³⁾	16.1	103 ⁽³⁾
	121 ⁽³⁾	124	121 ⁽³⁾	16.0	102 ⁽³⁾
	120 ⁽³⁾	123	120 ⁽³⁾	15.6	101 ⁽³⁾
	119 ⁽³⁾	122	119 ⁽³⁾	15.5	100 ⁽³⁾
	118 ⁽³⁾	121	118 ⁽³⁾	15.4	99 ⁽³⁾
	117 ⁽³⁾	120	117 ⁽³⁾	15.2-15.3	98 ⁽³⁾
	116 ⁽³⁾	119	116 ⁽³⁾	15.1	97 ⁽³⁾
	115 ⁽³⁾	118	115 ⁽³⁾	15	96 ⁽³⁾
	114 ⁽³⁾	117	114 ⁽³⁾	14.1	95 ⁽³⁾
	113 ⁽³⁾	116	113 ⁽³⁾	14	94 ⁽³⁾
	112 ⁽³⁾	115	112 ⁽³⁾	13.1	93 ⁽³⁾
	111 ⁽³⁾	114	111 ⁽³⁾	13	92 ⁽³⁾
	110 ⁽³⁾	113	110 ⁽³⁾	12.1	91 ⁽³⁾
	109 ⁽³⁾	112	109 ⁽³⁾	12	90 ⁽³⁾
	108 ⁽³⁾	111	108 ⁽³⁾	11.1	89 ⁽³⁾
	107 ⁽³⁾	110	107 ⁽³⁾	11	88 ⁽³⁾
	106 ⁽³⁾	109	106 ⁽³⁾	10.1	87 ⁽³⁾
	105 ⁽³⁾	108	105 ⁽³⁾	10	86 ⁽³⁾
	104 ⁽³⁾	107	104 ⁽³⁾	9.1	85 ⁽³⁾
	103 ⁽³⁾	106	103 ⁽³⁾	9	84 ⁽³⁾
	102 ⁽³⁾	105	102 ⁽³⁾	8	83 ⁽³⁾
	101 ⁽³⁾	104	101 ⁽³⁾	7.1	82 ⁽³⁾
	100 ⁽³⁾	103	100 ⁽³⁾	7	81 ⁽³⁾
	99 ⁽³⁾	102	99 ⁽³⁾	6.1	80 ⁽³⁾
	98 ⁽³⁾	101	98 ⁽³⁾	6	79 ⁽³⁾
	97 ⁽³⁾	100	97 ⁽³⁾	5.1	78 ⁽³⁾
	96 ⁽³⁾	99	96 ⁽³⁾	5	77 ⁽³⁾
	95 ⁽³⁾	98	95 ⁽³⁾	4	76 ⁽³⁾
	94 ⁽³⁾	97	94 ⁽³⁾	3.2	75 ⁽³⁾
	93 ⁽³⁾	96	93 ⁽³⁾	3.1	74 ⁽³⁾
	92 ⁽³⁾	95	92 ⁽³⁾		73 ⁽³⁾
	91 ⁽³⁾	94	91 ⁽³⁾		72 ⁽³⁾
	90 ⁽³⁾	93	90 ⁽³⁾		71 ⁽³⁾
	89 ⁽³⁾	92	89 ⁽³⁾		70 ⁽³⁾
	88 ⁽³⁾	91	88 ⁽³⁾		69 ⁽³⁾
	87 ⁽³⁾	90	87 ⁽³⁾		68 ⁽³⁾
	86 ⁽³⁾	89	86 ⁽³⁾		67 ⁽³⁾
	85 ⁽³⁾	88	85 ⁽³⁾		66 ⁽³⁾
	84 ⁽³⁾	87	84 ⁽³⁾		65 ⁽³⁾
	83 ⁽³⁾	86	83 ⁽³⁾		64 ⁽³⁾
	81 ⁽³⁾	85	81 ⁽³⁾		63
	80 ⁽³⁾	84	80 ⁽³⁾		62
	79 ⁽³⁾	83	79 ⁽³⁾		60
	18	82	78 ⁽³⁾		58
	17	81	77 ⁽³⁾		57
	16	80	76 ⁽³⁾		56
	15 ⁽²⁾	79	75 ⁽³⁾		55
	14	78	74 ⁽³⁾		54
	13	77	73 ⁽³⁾		53
	12	76	72 ⁽³⁾		52
		75	71 ⁽³⁾		51
		74	70 ⁽³⁾		50
		73	69 ⁽³⁾		49
		72	68 ⁽³⁾		48
		71	67 ⁽³⁾		47
		70	66 ⁽³⁾		46
		69	65 ⁽³⁾		45
		68	64		44 ⁽²⁾
		67	63		43 ⁽²⁾
		66	62		42 ⁽²⁾
		65	61		41 ⁽²⁾
		64	60		40 ⁽²⁾
		63	59		39 ⁽²⁾
		62	58		38 ⁽²⁾
		61	57 ⁽²⁾		37
		60	56 ⁽²⁾		36
		59	55 ⁽²⁾		35
		58	54 ⁽²⁾		34
		57	53 ⁽²⁾		33
		56	52 ⁽²⁾		32
		55	51 ⁽²⁾		31
		54 ⁽¹⁾	50		30
		53 ⁽¹⁾	49		29
		52 ⁽¹⁾	48		28
		51	47		27
		50	46		26
		49	45		25
		48	44		24
		47	43		23
		46	42		22
		45	41		21
		44	40		20
		43	39		19
		42	38		18
		41	37		17
		40	36		16
		39	35		15
		38	34		12.1
		37	33		12
		36	32		11.6
		35	31		11.5
		34	30		11.1
		33	29		11
		32	28		10.6
		31	27		10.5
		30	26		10.0-10.1
		29	25		9.5-9.6
		28	24		9
		27	23
		26	22
		25	21
		24	20
		23	19
		22	18
		21	17
		20	16
		19	15
		18	14
		17	13
		16	12
		15	11
		14	10
		13	9
		12	8
		11	7
		10	6
		9	5
		8	4
		7
		6
		5
		4
		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
26.1
26.0	all	141 ⁽³⁾	10	80 ⁽³⁾	141	143	11	15.5	28	14.9 ⁽³⁾	13.52	3.0-3.1
18.5-18.6		4.4.3-4.4.4	7	12.1			10		27			2.5
18.4		4.4		12					26
18.3		4.2-4.3		11.5					25
Show all
18.2		4.1		11.1					24
18.1		4		11					23
18.0		3		10					22
17.6-17.7		2.3							21
17.5		2.2							20
17.4		2.1							19.0
17.3									18.0
17.2									17.0
17.1									16.0
17.0									15.0
16.6-16.7									14.0
16.5									13.0
16.4									12.0
16.3									11.1-11.2
16.2									10.1
16.1									9.2
16.0									8.2
15.6-15.8									7.2-7.4
15.5									6.2-6.4 ⁽²⁾
15.4									5.0-5.4 ⁽²⁾
15.2-15.3									4
15.0-15.1
14.5-14.8
14.0-14.4
13.4-13.7
13.3
13.2
13.0-13.1
12.2-12.5
12.0-12.1
11.3-11.4
11.0-11.2
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

Enabled in Firefox by setting the about:config preference dom.IntersectionObserver.enabled to true
isIntersecting property of IntersectionObserverEntry was not implemented, returning undefined
IntersectionObserver does not trigger its callback in a Chrome background tab

Bugs

Chromium: In a background tab, IntersectionObserver does not trigger its callback.

Resources

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