While Firefox and Chrome were iterating rapidly with JavaScript performance, web standards, and extension ecosystems, IE11 became the browser that enterprises refused to let die, and developers learned to despise.
const isIE11 = !!window.MSInputMethodContext && !!document.documentMode; While Firefox and Chrome were iterating rapidly with
Developers spent thousands of hours writing CSS hacks ( @media all and (-ms-high-contrast: none) ... ), polyfilling missing APIs, and maintaining separate build configurations. The phrase "Works in IE11" became shorthand for "We spent an extra 40% of our budget on legacy support." and extension ecosystems
If IE11 is dead, why do developers still curse its name? polyfilling missing APIs