Baseline Widely available
The target read-only property of the IntersectionObserverEntry interface indicates which targeted Element has changed its amount of intersection with the intersection root.
The IntersectionObserverEntry's target property specifies which Element previously targeted by calling IntersectionObserver.observe() experienced a change in intersection with the root.
In this simple example, each targeted element's opacity is set to its intersectionRatio.
function intersectionCallback(entries) {
entries.forEach((entry) => {
entry.target.style.opacity = entry.intersectionRatio;
});
}
To see a more concrete example, take a look at Handling intersection changes.
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4