Popper.js is a JavaScript positioning engine library that calculates and manages the position of tooltips, popovers, and dropdown elements relative to reference elements. It handles positioning logic automatically including collision detection and viewport boundaries.
Categories: JavaScript library
Official website: https://popper.js.org
Popper.js is ranked #13 of 299 in JavaScript library by website adoption.
WhatStack detects Popper.js by analyzing HTTP headers, HTML source code, JavaScript globals, meta tags, cookies, DNS records, and ads.txt entries using signature-based pattern matching across 10 different analyzers.