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