packages/mdc-drawer/util.js
// Determine whether the current browser supports CSS properties.
Determine whether the current browser supports CSS properties.
Determine whether the current browser supports CSS properties .
function supportsCssCustomProperties(globalObj = window) {
  if ('CSS' in globalObj) {
    return globalObj.CSS.supports('(--color: red)');
  }
  return false;
}
function supportsCssCustomProperties ( globalObj = window ) { if ( 'CSS' in globalObj ) { return globalObj . CSS . supports ( '(--color: red)' ) ; } return false ; }
Determine whether the current browser supports CSS properties.
Determine whether the current browser supports CSS properties .