comprendre ternaire javascript code example

Example 1: ternaire javascript

(isMember ? '$2.00' : '$10.00')

Example 2: ternaire js

(condition ? doIfTrue : doIfFalse)
//exemple :
function getFee(isMember) {
  return (isMember ? '$2.00' : '$10.00');
}
console.log(getFee(true));
// expected output: "$2.00"
console.log(getFee(false));
// expected output: "$10.00"
console.log(getFee(null));
// expected output: "$10.00"