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.

IE Edge Firefox Chrome Safari Opera iOS Safari Opera Mini Android Browser Blackberry Browser Opera Mobile Chrome for Android Firefox for Android IE Mobile UC Browser for Android Samsung Internet QQ Browser Baidu Browser
49
56 9.3 4.4
14 52
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57 10 10.0-10.2 4.4.3-4.4.4 4
11 15 53
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58 10.1 44 10.3 all 56 10 37 57 52 11 11.4 5 1.2 7.12
54
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59 TP 45
55
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60 46
56
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61

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