ternaire javascript

(isMember ? '$2.00' : '$10.00')isMember ? '$2.00' : '$10.00'
// isMember true =>  output: "$2.00"

// isMember false =>  output: "$10.00"

// isMember null =>  output: "$10.00"(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"