What are intersection observer thresholds in web development?
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What are intersection observer thresholds in web development?
Intersection observer thresholds are values that determine when a target element is considered to be intersecting with the viewport or a specified ancestor.
How do I set these thresholds in my code?
You can set thresholds as an array of numbers between 0 and 1 when creating an IntersectionObserver instance. For example, [0, 0.5, 1] means the callback will trigger when 0%, 50%, or 100% of the target is visible.
Can I use multiple thresholds?
Yes, you can specify multiple thresholds in the array, allowing you to respond to different visibility levels of the target element.
What happens if I don't set any thresholds?
If you don't set any thresholds, the default is to trigger the callback when any part of the target intersects with the root.
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