ECMAScript 5 compatibility tableV8 SpiderMonkey JavaScriptCore Chakra Carakan KJS Other ⬤ Minor difference (1 point) ⬤ Small feature (2 points) ⬤ Medium feature (4 points) ⬤ Large feature (8 points) Compilers/polyfills Desktop browsers Servers/runtimes Mobile Feature name Current browser es5-shim Konq 4.13 Konq 4.14[1] IE 8 IE 9 IE 10 IE 11 FF 91 ESR FF 102 ESR FF 103 FF 104 FF 105 FF 106 FF 107 FF 108 FF 109 FF 110 FF 111 FF 11
