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Gabriel Amorim
Always curious, always collecting. I save the things that catch my eye and come back to them when I need a spark. Big fan of long walks, longer reads, and the occasional rabbit hole
stacklist.com/gabriel-amorim
Always curious, always collecting. I save the things that catch my eye and come back to them when I need a spark. Big fan of long walks, longer reads, and the occasional rabbit hole
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IntersectionObserver is a JavaScript API that detects when elements enter or leave the viewport by calculating intersection rectangles and comparing threshold values. The code provides utility functions for computing bounding client rectangles, expanding root margins, and determining threshold crossings for intersection detection.
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Summary
IntersectionObserver is a JavaScript API that detects when elements enter or leave the viewport by calculating intersection rectangles and comparing threshold values. The code provides utility functions for computing bounding client rectangles, expanding root margins, and determining threshold crossings for intersection detection.
Tags
intersection-observer · javascript · dom-api · bounding-rect · web-api · polyfill
Key entities
IntersectionObserver (technology, 0.95) · JavaScript (technology, 0.95) · DOM API (technology, 0.9) · getBoundingClientRect (concept, 0.9) · Windows 7 IE11 (location, 0.75)
Classification
code · language en · status final
Provenance
claude-haiku-4-5 via @stacklist/be@0.1.0, confidence 0.85, 7 May 2026