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Gabriel Amorim

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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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Ray Gunn First Look: The Newest Animated Film from Brad Bird Starring Sam Rockwell and Scarlett Joha

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