# IntersectionObserver

IntersectionObserver Object that infers whether and what percentage of nodes are visible to the user.

# method

# IntersectionObserver IntersectionObserver.relativeTo(string selector, Object margins)

Use the selector to specify a node as one of the reference ranges.

# IntersectionObserver IntersectionObserver.relativeToViewport(Object margins)

Specify the page display area as one of the reference areas

# IntersectionObserver.observe(string targetSelector, IntersectionObserver.observeCallback callback)

Specify the target node and start listening for changes in the intersection state

# IntersectionObserver.disconnect()

Stop listening. The callback function will no longer trigger