webreflection/dom4

This project is a polyfill that adds modern DOM Level 4 features to older browsers, including methods like Element#prepend(), Element#append(), Element#before(), Element#after(), Element#replaceWith(), and Element#remove(). It's designed for web developers who need to support older browsers while using newer DOM APIs, providing compatibility for features like toggleAttribute, matches(), closest(), and CSS :scope selector across a wide range of browsers including IE8+.