A necessary evil that overstayed its welcome by nearly a decade. Last updated: 2026. IE11 usage is now below 0.1% globally, effectively extinct.
const isIE11 = !!window.MSInputMethodContext && !!document.documentMode; In CSS: A necessary evil that overstayed its welcome by
Today, IE11 exists only as inside Edge—a museum piece carefully isolated from the open web. Its retirement marked the end of the first browser war and the beginning of the Chromium monoculture. In CSS: Today