Since IE11 lacks modern JavaScript features (like Promises, Arrow Functions, or fetch ), you must use polyfills to make new code work.
IE11 does not support (Custom Properties) or CSS Grid (it uses an older, prefixed version). internet-explorer-11-0-9600-16428-final-kuyhaa
Use this compiler to transpile modern JavaScript (ES6+) into ES5 code that IE11 can execute. 2. CSS Compatibility Since IE11 lacks modern JavaScript features (like Promises,
Since IE11 lacks modern JavaScript features (like Promises, Arrow Functions, or fetch ), you must use polyfills to make new code work.
IE11 does not support (Custom Properties) or CSS Grid (it uses an older, prefixed version).
Use this compiler to transpile modern JavaScript (ES6+) into ES5 code that IE11 can execute. 2. CSS Compatibility